{
  "threat_severity" : "Moderate",
  "public_date" : "2012-01-04T00:00:00Z",
  "bugzilla" : {
    "description" : "openssl: malformed RFC 3779 data can cause assertion failures",
    "id" : "771778",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=771778"
  },
  "cvss" : {
    "cvss_base_score" : "4.3",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers." ],
  "statement" : "This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 3, 4 and 5.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2012-01-24T00:00:00Z",
    "advisory" : "RHSA-2012:0059",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "openssl-0:1.0.0-20.el6_2.1"
  }, {
    "product_name" : "RHEV 3.X Hypervisor and Agents for RHEL-6",
    "release_date" : "2012-02-15T00:00:00Z",
    "advisory" : "RHSA-2012:0109",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6::hypervisor",
    "package" : "rhev-hypervisor6-0:6.2-20120209.0.el6_2"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "openssl",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "openssl096b",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "openssl",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "openssl097a",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "openssl098e",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4577\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4577" ],
  "name" : "CVE-2011-4577",
  "csaw" : false
}