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{
"CVE_data_meta" : {
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"ASSIGNER" : "openssl-security@openssl.org" ,
"DATE_PUBLIC" : "2021-03-25" ,
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"ID" : "CVE-2021-3449" ,
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"STATE" : "PUBLIC" ,
"TITLE" : "NULL pointer deref in signature_algorithms processing"
} ,
"affects" : {
"vendor" : {
"vendor_data" : [
{
"product" : {
"product_data" : [
{
"product_name" : "OpenSSL" ,
"version" : {
"version_data" : [
{
"version_value" : "Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j)"
}
]
}
}
]
} ,
"vendor_name" : "OpenSSL"
}
]
}
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} ,
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"credit" : [
{
"lang" : "eng" ,
"value" : "Peter K\u00e4stle (Nokia) and Samuel Sapalski (Nokia)"
}
] ,
"data_format" : "MITRE" ,
"data_type" : "CVE" ,
"data_version" : "4.0" ,
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"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"value" : "An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j)."
}
]
} ,
"impact" : [
{
"lang" : "eng" ,
"url" : "https://www.openssl.org/policies/secpolicy.html#High" ,
"value" : "High"
}
] ,
"problemtype" : {
"problemtype_data" : [
{
"description" : [
{
"lang" : "eng" ,
"value" : "NULL pointer dereference"
}
]
}
]
} ,
"references" : {
"reference_data" : [
{
"name" : "https://www.openssl.org/news/secadv/20210325.txt" ,
"refsource" : "CONFIRM" ,
"url" : "https://www.openssl.org/news/secadv/20210325.txt"
} ,
{
"name" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=fb9fa6b51defd48157eeb207f52181f735d96148" ,
"refsource" : "CONFIRM" ,
"url" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=fb9fa6b51defd48157eeb207f52181f735d96148"
2021-03-25 19:00:43 +00:00
} ,
{
"refsource" : "CISCO" ,
"name" : "20210325 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: March 2021" ,
"url" : "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd"
2021-03-25 22:00:40 +00:00
} ,
{
"refsource" : "DEBIAN" ,
"name" : "DSA-4875" ,
"url" : "https://www.debian.org/security/2021/dsa-4875"
2021-03-26 11:00:40 +00:00
} ,
2021-03-27 21:00:36 +00:00
{
"refsource" : "MLIST" ,
"name" : "[oss-security] 20210327 OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing" ,
"url" : "http://www.openwall.com/lists/oss-security/2021/03/27/1"
2021-03-28 00:00:36 +00:00
} ,
{
"refsource" : "MLIST" ,
"name" : "[oss-security] 20210327 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing" ,
"url" : "http://www.openwall.com/lists/oss-security/2021/03/27/2"
2021-03-28 21:00:38 +00:00
} ,
{
"refsource" : "MLIST" ,
"name" : "[oss-security] 20210328 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing" ,
"url" : "http://www.openwall.com/lists/oss-security/2021/03/28/3"
2021-03-29 00:00:40 +00:00
} ,
{
"refsource" : "MLIST" ,
"name" : "[oss-security] 20210328 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing" ,
"url" : "http://www.openwall.com/lists/oss-security/2021/03/28/4"
2021-03-31 14:00:39 +00:00
} ,
{
"refsource" : "GENTOO" ,
"name" : "GLSA-202103-03" ,
"url" : "https://security.gentoo.org/glsa/202103-03"
2021-04-01 19:00:46 +00:00
} ,
2021-04-02 02:00:43 +00:00
{
"refsource" : "FEDORA" ,
"name" : "FEDORA-2021-cbf14ab8f9" ,
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/"
2021-04-15 09:00:41 +00:00
} ,
2021-06-14 18:01:37 +00:00
{
"url" : "https://www.oracle.com/security-alerts/cpuApr2021.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com/security-alerts/cpuApr2021.html"
} ,
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{
"refsource" : "CONFIRM" ,
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"name" : "https://www.tenable.com/security/tns-2021-10" ,
"url" : "https://www.tenable.com/security/tns-2021-10"
2021-05-11 22:00:38 +00:00
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://www.tenable.com/security/tns-2021-09" ,
"url" : "https://www.tenable.com/security/tns-2021-09"
2021-05-13 18:00:40 +00:00
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://security.netapp.com/advisory/ntap-20210513-0002/" ,
"url" : "https://security.netapp.com/advisory/ntap-20210513-0002/"
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} ,
{
"refsource" : "CONFIRM" ,
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"name" : "https://security.netapp.com/advisory/ntap-20210326-0006/" ,
"url" : "https://security.netapp.com/advisory/ntap-20210326-0006/"
} ,
{
"refsource" : "MISC" ,
"name" : "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc" ,
"url" : "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc"
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://www.tenable.com/security/tns-2021-06" ,
"url" : "https://www.tenable.com/security/tns-2021-06"
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://www.tenable.com/security/tns-2021-05" ,
"url" : "https://www.tenable.com/security/tns-2021-05"
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} ,
{
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"refsource" : "CONFIRM" ,
"name" : "https://kc.mcafee.com/corporate/index?page=content&id=SB10356" ,
"url" : "https://kc.mcafee.com/corporate/index?page=content&id=SB10356"
2021-07-13 13:00:50 +00:00
} ,
2021-07-21 15:01:23 +00:00
{
"url" : "https://www.oracle.com//security-alerts/cpujul2021.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com//security-alerts/cpujul2021.html"
} ,
2021-07-13 13:00:50 +00:00
{
"refsource" : "CONFIRM" ,
"name" : "https://cert-portal.siemens.com/productcert/pdf/ssa-772220.pdf" ,
"url" : "https://cert-portal.siemens.com/productcert/pdf/ssa-772220.pdf"
2021-07-14 03:00:51 +00:00
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845" ,
"url" : "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845"
2021-07-15 23:00:56 +00:00
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013" ,
"url" : "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013"
2021-08-31 16:01:00 +00:00
} ,
{
"refsource" : "MLIST" ,
"name" : "[debian-lts-announce] 20210831 [SECURITY] [DLA 2751-1] postgresql-9.6 security update" ,
"url" : "https://lists.debian.org/debian-lts-announce/2021/08/msg00029.html"
2021-10-19 14:23:14 -07:00
} ,
{
2021-10-20 11:02:26 +00:00
"url" : "https://www.oracle.com/security-alerts/cpuoct2021.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com/security-alerts/cpuoct2021.html"
2022-03-10 17:26:41 +00:00
} ,
2022-04-20 00:01:41 +00:00
{
"url" : "https://www.oracle.com/security-alerts/cpuapr2022.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com/security-alerts/cpuapr2022.html"
} ,
2022-03-10 17:26:41 +00:00
{
"refsource" : "CONFIRM" ,
"name" : "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf" ,
"url" : "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
2022-07-19 14:38:32 -07:00
} ,
{
2022-07-25 19:01:27 +00:00
"url" : "https://www.oracle.com/security-alerts/cpujul2022.html" ,
"refsource" : "MISC" ,
"name" : "https://www.oracle.com/security-alerts/cpujul2022.html"
2024-06-21 20:00:34 +00:00
} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://security.netapp.com/advisory/ntap-20240621-0006/" ,
"url" : "https://security.netapp.com/advisory/ntap-20240621-0006/"
2021-03-17 16:00:47 +00:00
}
]
}
}
