CVE-2012-3817

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.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 3.99% Top 15%
Vendor Advisory slackware.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory isc.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004 vendor advisory
http://secunia.com/advisories/51096 third party advisory
http://rhn.redhat.com/errata/RHSA-2012-1123.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1122.html vendor advisory
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html vendor advisory
http://www.securitytracker.com/id?1027296 vdb entry
http://www.debian.org/security/2012/dsa-2517 vendor advisory
http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html vendor advisory
http://www.ubuntu.com/usn/USN-1518-1 vendor advisory
http://support.apple.com/kb/HT5880
https://kb.isc.org/article/AA-00729 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3817?
CVE-2012-3817 has been scored as a high severity vulnerability.
How to fix CVE-2012-3817?
To fix CVE-2012-3817, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3817 being actively exploited in the wild?
It is possible that CVE-2012-3817 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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