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CVE-2012-3817

7.8 · HIGH

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 initial…

Published Jul 25, 2012iscCWE-20EPSS 23.66%

Overview

CVE-2012-3817 is a high-severity vulnerability affecting isc bind. It was published on July 25, 2012 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.apple.com/archives/security-announce/2013/Sep/msg00002.htmlReflists.opensuse.org/opensuse-updates/2012-08/msg00013.htmlReflists.opensuse.org/opensuse-updates/2012-08/msg00015.htmlRefrhn.redhat.com/errata/RHSA-2012-1122.htmlRefrhn.redhat.com/errata/RHSA-2012-1123.htmlRefsecunia.com/advisories/51096Refsupport.apple.com/kb/HT5880Refwww.debian.org/security/2012/dsa-2517Refwww.securitytracker.com/id?1027296Refwww.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004

How CyberStrike helps

Frequently asked questions

What is CVE-2012-3817?

CVE-2012-3817 is a high-severity vulnerability affecting isc bind. It was published on July 25, 2012 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2012-3817?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-3817?

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-3817?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-3817 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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