CVE-2016-5180

critical

Description

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.

References

http://rhn.redhat.com/errata/RHSA-2017-0002.html

https://security.gentoo.org/glsa/201701-28

http://www.debian.org/security/2016/dsa-3682

http://www.ubuntu.com/usn/USN-3143-1

Details

Source: Mitre, NVD

Published: 2016-10-03

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical