{
  "threat_severity" : "Moderate",
  "public_date" : "2011-05-09T00:00:00Z",
  "bugzilla" : {
    "description" : "(smtpd): Crash due to improper management of SASL handlers for SMTP sessions",
    "id" : "699035",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=699035"
  },
  "cvss" : {
    "cvss_base_score" : "4.3",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method." ],
  "acknowledgement" : "Red Hat would like to thank CERT/CC for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2011-05-31T00:00:00Z",
    "advisory" : "RHSA-2011:0843",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "postfix-2:2.2.10-1.5.el4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-05-31T00:00:00Z",
    "advisory" : "RHSA-2011:0843",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "postfix-2:2.3.3-2.3.el5_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-05-31T00:00:00Z",
    "advisory" : "RHSA-2011:0843",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "postfix-2:2.6.6-2.2.el6_1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-1720\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1720" ],
  "name" : "CVE-2011-1720",
  "csaw" : false
}