Advisories » MGASA-2016-0351

Updated c-ares packages fix security vulnerability

Publication date: 21 Oct 2016
Modification date: 21 Oct 2016
Type: security
Affected Mageia releases : 5
CVE: CVE-2016-5180

Description

In c-ares before 1.12.0, When a string is passed in to 'ares_create_query'
or 'ares_mkquery' and uses an escaped trailing dot, like "hello\.", c-ares
calculates the string length wrong and subsequently writes outside of the
the allocated buffer with one byte. The wrongly written byte is the least
significant byte of the 'dnsclass' argument; most commonly 1
(CVE-2016-5180).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=19489
• https://c-ares.haxx.se/adv_20160929.html
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5180

SRPMS

5/core

• c-ares-1.10.0-5.1.mga5