Security Information / 2016 / Security Information -- DSA-3682-1 c-ares

Debian Security Advisory

DSA-3682-1 c-ares -- security update

Date Reported:

30 Sep 2016

Affected Packages:

c-ares

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 839151.
In Mitre's CVE dictionary: CVE-2016-5180.

More information:

Gzob Qq discovered that the query-building functions in c-ares, an asynchronous DNS request library would not correctly process crafted query names, resulting in a heap buffer overflow and potentially leading to arbitrary code execution.

For the stable distribution (jessie), this problem has been fixed in version 1.10.0-2+deb8u1.

For the unstable distribution (sid), this problem has been fixed in version 1.12.0-1.

We recommend that you upgrade your c-ares packages.