{
  "threat_severity" : "Low",
  "public_date" : "2011-12-09T00:00:00Z",
  "bugzilla" : {
    "description" : "libvirt: unintended firewall port exposure after restarting libvirtd when defining a bridged forward-mode network",
    "id" : "765964",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=765964"
  },
  "cvss" : {
    "cvss_base_score" : "2.6",
    "cvss_scoring_vector" : "AV:N/AC:H/Au:N/C:P/I:N/A:N",
    "status" : "verified"
  },
  "details" : [ "The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query." ],
  "statement" : "This issue affect Red Hat Enterprise Linux 6 and has been addressed via \nhttps://rhn.redhat.com/errata/RHBA-2012-0013.html. Red Hat Enterprise Linux 5 is \nnot affected. The Red Hat Security Response Team has rated this issue as having \nlow security impact. For additional information, refer to the Issue Severity \nClassification: https://access.redhat.com/security/updates/classification/.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only",
    "release_date" : "2012-01-17T00:00:00Z",
    "advisory" : "RHBA-2012:0013",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.2",
    "package" : "libvirt-0:0.9.4-23.el6_2.4"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "libvirt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Affected",
    "package_name" : "libvirt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4600\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4600" ],
  "name" : "CVE-2011-4600",
  "csaw" : false
}