{"id":"CVE-2013-4548","state":"PUBLISHED","title":"The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data struc","description":"The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.","publishedAt":"2013-11-08T15:00:00.000Z","updatedAt":"2024-08-06T16:45:15.154Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.openssh.com/txt/gcmrekey.adv","http://openwall.com/lists/oss-security/2013/11/08/3","http://marc.info/?l=bugtraq&m=141576985122836&w=2","http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00017.html","http://www.ubuntu.com/usn/USN-2014-1"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:49.754Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2013/4xxx/CVE-2013-4548.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2013-4548","state":"PUBLISHED","datePublished":"2013-11-08T15:00:00.000Z","dateUpdated":"2024-08-06T16:45:15.154Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2013-06-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.openssh.com/txt/gcmrekey.adv","tags":["x_refsource_CONFIRM"]},{"url":"http://openwall.com/lists/oss-security/2013/11/08/3","name":"[oss-security] 20131107 Re: CVE Request - 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