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{
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"data_version" : "4.0" ,
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"CVE_data_meta" : {
"ID" : "CVE-2015-1798" ,
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"ASSIGNER" : "secalert@redhat.com" ,
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"STATE" : "PUBLIC"
} ,
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"description" : {
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{
"lang" : "eng" ,
"value" : "It was found that ntpd did not check whether a Message Authentication Code (MAC) was present in a received packet when ntpd was configured to use symmetric cryptographic keys. A man-in-the-middle attacker could use this flaw to send crafted packets that would be accepted by a client or a peer without the attacker knowing the symmetric key."
}
]
} ,
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{
"description" : [
{
"lang" : "eng" ,
"value" : "Improper Verification of Cryptographic Signature" ,
"cweId" : "CWE-347"
}
]
}
]
} ,
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"affects" : {
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{
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"vendor_name" : "Red Hat" ,
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"product" : {
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{
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"product_name" : "Red Hat Enterprise Linux 6" ,
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"version" : {
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{
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"version_value" : "0:4.2.6p5-5.el6" ,
"version_affected" : "!"
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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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"references" : {
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{
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"url" : "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html" ,
"refsource" : "MISC" ,
"name" : "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
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{
"url" : "http://rhn.redhat.com/errata/RHSA-2015-1459.html" ,
"refsource" : "MISC" ,
"name" : "http://rhn.redhat.com/errata/RHSA-2015-1459.html"
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} ,
{
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"url" : "http://www.debian.org/security/2015/dsa-3223" ,
"refsource" : "MISC" ,
"name" : "http://www.debian.org/security/2015/dsa-3223"
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} ,
{
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"url" : "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html" ,
"refsource" : "MISC" ,
"name" : "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"
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} ,
{
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"url" : "https://access.redhat.com/errata/RHSA-2015:1459" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/errata/RHSA-2015:1459"
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} ,
{
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"url" : "https://access.redhat.com/errata/RHSA-2015:2231" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/errata/RHSA-2015:2231"
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} ,
{
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"url" : "http://support.apple.com/kb/HT204942" ,
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"name" : "http://support.apple.com/kb/HT204942"
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} ,
{
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"url" : "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html" ,
"refsource" : "MISC" ,
"name" : "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html"
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} ,
{
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"url" : "http://bugs.ntp.org/show_bug.cgi?id=2779" ,
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"name" : "http://bugs.ntp.org/show_bug.cgi?id=2779"
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} ,
{
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"url" : "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html" ,
"refsource" : "MISC" ,
"name" : "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html"
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} ,
{
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"url" : "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html" ,
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"name" : "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html"
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} ,
{
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"url" : "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html" ,
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"name" : "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html"
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} ,
{
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"url" : "http://marc.info/?l=bugtraq&m=143213867103400&w=2" ,
"refsource" : "MISC" ,
"name" : "http://marc.info/?l=bugtraq&m=143213867103400&w=2"
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} ,
{
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"url" : "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities" ,
"refsource" : "MISC" ,
"name" : "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
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} ,
{
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"url" : "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd" ,
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"name" : "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd"
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} ,
{
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"url" : "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276" ,
"refsource" : "MISC" ,
"name" : "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276"
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} ,
{
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"url" : "http://www.kb.cert.org/vuls/id/374268" ,
"refsource" : "MISC" ,
"name" : "http://www.kb.cert.org/vuls/id/374268"
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} ,
{
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"url" : "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202" ,
"refsource" : "MISC" ,
"name" : "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202"
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} ,
{
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"url" : "http://www.securityfocus.com/bid/73951" ,
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"name" : "http://www.securityfocus.com/bid/73951"
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} ,
{
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"url" : "http://www.securitytracker.com/id/1032032" ,
"refsource" : "MISC" ,
"name" : "http://www.securitytracker.com/id/1032032"
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} ,
{
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"url" : "http://www.ubuntu.com/usn/USN-2567-1" ,
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"name" : "http://www.ubuntu.com/usn/USN-2567-1"
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} ,
{
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"url" : "https://access.redhat.com/security/cve/CVE-2015-1798" ,
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} ,
{
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"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1199430" ,
"refsource" : "MISC" ,
"name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1199430"
} ,
{
"url" : "https://kc.mcafee.com/corporate/index?page=content&id=SB10114" ,
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"name" : "https://kc.mcafee.com/corporate/index?page=content&id=SB10114"
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{
"url" : "https://security.gentoo.org/glsa/201509-01" ,
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"impact" : {
"cvss" : [
{
"accessComplexity" : "HIGH" ,
"accessVector" : "NETWORK" ,
"authentication" : "NONE" ,
"availabilityImpact" : "NONE" ,
"availabilityRequirement" : "NOT_DEFINED" ,
"baseScore" : 2.6 ,
"collateralDamagePotential" : "NOT_DEFINED" ,
"confidentialityImpact" : "NONE" ,
"confidentialityRequirement" : "NOT_DEFINED" ,
"environmentalScore" : 0 ,
"exploitability" : "NOT_DEFINED" ,
"integrityImpact" : "PARTIAL" ,
"integrityRequirement" : "NOT_DEFINED" ,
"remediationLevel" : "NOT_DEFINED" ,
"reportConfidence" : "NOT_DEFINED" ,
"targetDistribution" : "NOT_DEFINED" ,
"temporalScore" : 0 ,
"vectorString" : "AV:N/AC:H/Au:N/C:N/I:P/A:N" ,
"version" : "2.0"
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}
]
}
}
