{
  "modified": "2025-08-09T19:01:27Z",
  "published": "2013-11-08T15:55:13Z",
  "id": "CVE-2013-4548",
  "details": "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.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openssh.com/txt/gcmrekey.adv"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.ubuntu.com/usn/USN-2014-1"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "http://marc.info/?l=bugtraq\u0026m=141576985122836\u0026w=2"
    },
    {
      "type": "WEB",
      "url": "http://openwall.com/lists/oss-security/2013/11/08/3"
    }
  ]
}