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CVE Team
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commit
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@ -5,50 +5,50 @@
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"STATE": "PUBLIC",
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"TITLE": "Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Apache Software Foundation",
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"product": {
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"product_data": [
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{
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"product_name": "Apache Log4j",
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"version": {
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"version_data": [
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{
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"version_name": "Apache Log4j 2",
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"version_affected": ">=",
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"version_value": "2.0-beta9",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": "<=",
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"version_value": "2.12.1",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": ">=",
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"version_value": "2.13.0",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": "<=",
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"version_value": "2.14.1",
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"platform": ""
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Apache Software Foundation",
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"product": {
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"product_data": [
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{
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"product_name": "Apache Log4j",
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"version": {
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"version_data": [
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{
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"version_name": "Apache Log4j 2",
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"version_affected": ">=",
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"version_value": "2.0-beta9",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": "<=",
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"version_value": "2.12.1",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": ">=",
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"version_value": "2.13.0",
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"platform": ""
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},
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{
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"version_name": "Apache Log4j 2",
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"version_affected": "<=",
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"version_value": "2.14.1",
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"platform": ""
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}
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]
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}
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}
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]
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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},
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"credit": [
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{
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"lang": "eng",
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@ -62,7 +62,7 @@
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"description_data": [
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{
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"lang": "eng",
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"value": "Apache Log4j2 2.0-beta9 through 2.12.1 and 2.13.0 through 2.15.0 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0, this functionality has been completely removed.\n\nNote that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects."
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"value": "Apache Log4j2 2.0-beta9 through 2.12.1 and 2.13.0 through 2.15.0 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0, this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects."
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}
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]
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},
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@ -119,21 +119,6 @@
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"name": "[oss-security] 20211210 Re: CVE-2021-44228: Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/10/2"
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},
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{
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"refsource": "MISC",
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"name": "https://twitter.com/kurtseifried/status/1469345530182455296",
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"url": "https://twitter.com/kurtseifried/status/1469345530182455296"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://security.netapp.com/advisory/ntap-20211210-0007/",
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"url": "https://security.netapp.com/advisory/ntap-20211210-0007/"
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},
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{
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"refsource": "MISC",
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"name": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html",
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"url": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html"
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},
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{
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"refsource": "CISCO",
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"name": "20211210 Vulnerability in Apache Log4j Library Affecting Cisco Products: December 2021",
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@ -146,8 +131,8 @@
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},
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{
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"refsource": "CONFIRM",
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"name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032",
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"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032"
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"name": "https://security.netapp.com/advisory/ntap-20211210-0007/",
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"url": "https://security.netapp.com/advisory/ntap-20211210-0007/"
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},
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{
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"refsource": "CONFIRM",
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@ -159,6 +144,16 @@
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"name": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html",
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"url": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html"
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},
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{
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"refsource": "MISC",
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"name": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html",
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"url": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032",
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"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032",
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@ -194,6 +189,21 @@
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"name": "[oss-security] 20211213 CVE-2021-4104: Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/13/1"
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},
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{
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"refsource": "MLIST",
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"name": "[oss-security] 20211214 CVE-2021-45046: Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/14/4"
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},
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{
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"refsource": "CERT-VN",
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"name": "VU#930724",
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"url": "https://www.kb.cert.org/vuls/id/930724"
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},
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{
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"refsource": "MISC",
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"name": "https://twitter.com/kurtseifried/status/1469345530182455296",
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"url": "https://twitter.com/kurtseifried/status/1469345530182455296"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-661247.pdf",
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@ -214,29 +224,24 @@
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"name": "http://packetstormsecurity.com/files/165261/Apache-Log4j2-2.14.1-Information-Disclosure.html",
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"url": "http://packetstormsecurity.com/files/165261/Apache-Log4j2-2.14.1-Information-Disclosure.html"
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},
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{
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"refsource": "MLIST",
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"name": "[oss-security] 20211214 CVE-2021-45046: Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/14/4"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html",
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"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html"
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},
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{
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"refsource": "CERT-VN",
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"name": "VU#930724",
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"url": "https://www.kb.cert.org/vuls/id/930724"
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"refsource": "MISC",
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"name": "http://packetstormsecurity.com/files/165282/Log4j-Payload-Generator.html",
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"url": "http://packetstormsecurity.com/files/165282/Log4j-Payload-Generator.html"
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},
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{
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"refsource": "MLIST",
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"name": "[oss-security] 20211215 Re: CVE-2021-45046: Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/15/1"
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"refsource": "MISC",
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"name": "http://packetstormsecurity.com/files/165281/Log4j2-Log4Shell-Regexes.html",
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"url": "http://packetstormsecurity.com/files/165281/Log4j2-Log4Shell-Regexes.html"
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}
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]
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},
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"source": {
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"discovery": "UNKNOWN"
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}
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}
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}
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@ -37,7 +37,7 @@
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"description_data": [
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{
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"lang": "eng",
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"value": "It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default Pattern Layout with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map pattern (%X, %mdc, or %MDC) to craft malicious input data using a JNDI Lookup pattern resulting in a denial of service (DOS) attack. Log4j 2.15.0 makes a best-effort attempt to restrict JNDI LDAP lookups to localhost by default. \n\nLog4j 2.16.0 fixes this issue by removing support for message lookup patterns and disabling JNDI functionality by default."
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"value": "It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default Pattern Layout with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map pattern (%X, %mdc, or %MDC) to craft malicious input data using a JNDI Lookup pattern resulting in a denial of service (DOS) attack. Log4j 2.15.0 makes a best-effort attempt to restrict JNDI LDAP lookups to localhost by default. Log4j 2.16.0 fixes this issue by removing support for message lookup patterns and disabling JNDI functionality by default."
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}
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]
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},
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@ -63,11 +63,6 @@
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},
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"references": {
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"reference_data": [
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{
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"refsource": "CONFIRM",
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"url": "https://logging.apache.org/log4j/2.x/security.html",
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"name": "https://logging.apache.org/log4j/2.x/security.html"
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},
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{
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"refsource": "MISC",
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"url": "https://www.cve.org/CVERecord?id=CVE-2021-44228",
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@ -80,22 +75,17 @@
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},
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{
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"refsource": "CONFIRM",
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"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html",
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"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html"
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"url": "https://logging.apache.org/log4j/2.x/security.html",
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"name": "https://logging.apache.org/log4j/2.x/security.html"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://security.netapp.com/advisory/ntap-20211215-0001/",
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"url": "https://security.netapp.com/advisory/ntap-20211215-0001/"
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},
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{
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"refsource": "MLIST",
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"name": "[oss-security] 20211215 Re: CVE-2021-45046: Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack",
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"url": "http://www.openwall.com/lists/oss-security/2021/12/15/1"
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"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html",
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"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html"
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}
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]
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},
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"source": {
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"discovery": "UNKNOWN"
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}
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}
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}
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