{"id":"CVE-2013-4238","state":"PUBLISHED","title":"The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X","description":"The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","publishedAt":"2013-08-18T01:00:00.000Z","updatedAt":"2024-08-06T16:38:01.666Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://rhn.redhat.com/errata/RHSA-2013-1582.html","http://www.vmware.com/security/advisories/VMSA-2014-0012.html","http://lists.opensuse.org/opensuse-updates/2013-09/msg00043.html","http://lists.opensuse.org/opensuse-updates/2013-09/msg00029.html","http://www.securityfocus.com/archive/1/534161/100/0/threaded","http://www.debian.org/security/2014/dsa-2880","http://www.ubuntu.com/usn/USN-1982-1","http://lists.opensuse.org/opensuse-updates/2013-09/msg00026.html","http://seclists.org/fulldisclosure/2014/Dec/23","http://lists.opensuse.org/opensuse-updates/2013-09/msg00042.html","http://lists.opensuse.org/opensuse-updates/2013-09/msg00027.html","https://bugzilla.redhat.com/show_bug.cgi?id=996381","http://bugs.python.org/issue18709","http://lists.opensuse.org/opensuse-updates/2013-09/msg00028.html","http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:49.754Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2013/4xxx/CVE-2013-4238.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2013-4238","state":"PUBLISHED","datePublished":"2013-08-18T01:00:00.000Z","dateUpdated":"2024-08-06T16:38:01.666Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2013-06-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2013-1582.html","name":"RHSA-2013:1582","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0012.html","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00043.html","name":"openSUSE-SU-2013:1463","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00029.html","name":"openSUSE-SU-2013:1440","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://www.securityfocus.com/archive/1/534161/100/0/threaded","name":"20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities","tags":["mailing-list","x_refsource_BUGTRAQ"]},{"url":"http://www.debian.org/security/2014/dsa-2880","name":"DSA-2880","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://www.ubuntu.com/usn/USN-1982-1","name":"USN-1982-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00026.html","name":"openSUSE-SU-2013:1437","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","name":"20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities","tags":["mailing-list","x_refsource_FULLDISC"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00042.html","name":"openSUSE-SU-2013:1462","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00027.html","name":"openSUSE-SU-2013:1438","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=996381","tags":["x_refsource_CONFIRM"]},{"url":"http://bugs.python.org/issue18709","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00028.html","name":"openSUSE-SU-2013:1439","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html","name":"openSUSE-SU-2020:0086","tags":["vendor-advisory","x_refsource_SUSE"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2020-01-21T21:06:34.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2013-08-15T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://rhn.redhat.com/errata/RHSA-2013-1582.html","name":"RHSA-2013:1582","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0012.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00043.html","name":"openSUSE-SU-2013:1463","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00029.html","name":"openSUSE-SU-2013:1440","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/534161/100/0/threaded","name":"20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.debian.org/security/2014/dsa-2880","name":"DSA-2880","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.ubuntu.com/usn/USN-1982-1","name":"USN-1982-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00026.html","name":"openSUSE-SU-2013:1437","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","name":"20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00042.html","name":"openSUSE-SU-2013:1462","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00027.html","name":"openSUSE-SU-2013:1438","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=996381","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://bugs.python.org/issue18709","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-09/msg00028.html","name":"openSUSE-SU-2013:1439","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html","name":"openSUSE-SU-2020:0086","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T16:38:01.666Z"}}]}}}