{
  "threat_severity" : "Low",
  "public_date" : "2011-10-18T00:00:00Z",
  "bugzilla" : {
    "description" : "xorg-x11-server: lock file chmod change race condition",
    "id" : "745024",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=745024"
  },
  "cvss" : {
    "cvss_base_score" : "4.0",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:N/C:C/I:N/A:N",
    "status" : "verified"
  },
  "details" : [ "The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file." ],
  "acknowledgement" : "Red Hat would like to thank researcher with a nickname vladz for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2012-06-19T00:00:00Z",
    "advisory" : "RHSA-2012:0939",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "xorg-x11-server-0:1.10.6-1.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Will not fix",
    "package_name" : "xorg-x11",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "xorg-x11-server",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4029\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4029\nhttp://lists.freedesktop.org/archives/xorg-announce/2011-October/001744.html" ],
  "name" : "CVE-2011-4029",
  "csaw" : false
}