CVE-2014-0591
bind9 - security update
EPSS 51.5%
Description
The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.
How to fix CVE-2014-0591
To remediate CVE-2014-0591, upgrade the affected package to a fixed version below.
- Debian/bind9—upgrade to 1:9.9.5.dfsg-2 or later
- Debian/bind9—upgrade to 1:9.7.3.dfsg-1~squeeze12 or later
- —upgrade to 1:9.8.4.dfsg.P1-6+nmu2+deb7u2 or later
Is CVE-2014-0591 being exploited?
Likely — EPSS is 51.5%, placing CVE-2014-0591 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 1:9.9.5.dfsg-2
- from 0, < 1:9.7.3.dfsg-1~squeeze12
- from 0, < 1:9.8.4.dfsg.P1-6+nmu2+deb7u2