Vulnerability Report

CVE-2012-3817

Title: Isc Bind Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2012-3817.

CWE Category CWE-20
Published Date Jul 25, 2012
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 7.8 CVSS v2.0
Exploit Probability (EPSS)
27.38%

Vulnerability Summary

CVE-2012-3817: ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

Impacted Vendors

I
isc 1

Reference Links

http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html http://rhn.redhat.com/errata/RHSA-2012-1122.html http://rhn.redhat.com/errata/RHSA-2012-1123.html http://secunia.com/advisories/51096 http://support.apple.com/kb/HT5880 http://www.debian.org/security/2012/dsa-2517 http://www.securitytracker.com/id?1027296 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004 http://www.ubuntu.com/usn/USN-1518-1 https://kb.isc.org/article/AA-00729 http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html http://rhn.redhat.com/errata/RHSA-2012-1122.html http://rhn.redhat.com/errata/RHSA-2012-1123.html http://secunia.com/advisories/51096 http://support.apple.com/kb/HT5880 http://www.debian.org/security/2012/dsa-2517 http://www.securitytracker.com/id?1027296 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004 http://www.ubuntu.com/usn/USN-1518-1 https://kb.isc.org/article/AA-00729
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3817 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.