CVE-2016-5180

CRITICAL

C-ares < 0.10.48 - Out-of-Bounds Write

Title source: rule

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.

Exploits (3)

nomisec WORKING POC

by pouriam23 · poc

https://github.com/pouriam23/final-CVE-2016-5180

View Code ZIP pw:eip

nomisec WORKING POC

by pouriam23 · poc

https://github.com/pouriam23/CVE-2016-5180-docker-

View Code ZIP pw:eip

nomisec WORKING POC

by pouriam23 · poc

https://github.com/pouriam23/CVE-2016-5180

View Code ZIP pw:eip

References (9)

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2017-0002.html

[Vendor Advisory] http://www.ubuntu.com/usn/USN-3143-1

[Various Sources] https://c-ares.haxx.se/CVE-2016-5180.patch

[Various Sources] https://c-ares.haxx.se/adv_20160929.html

[Various Sources] https://googlechromereleases.blogspot.in/2016/09/stable-channel-updates-for-chrome-os.html

[Vendor Advisory] https://source.android.com/security/bulletin/2017-01-01.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/93243

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3682

[Third Party Advisory] https://security.gentoo.org/glsa/201701-28

Scores

CVSS v3 9.8

EPSS 0.1817

EPSS Percentile 95.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-787

Status published

Products (30)

canonical/ubuntu_linux 12.04

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 16.10

c-ares/c-ares 1.0.0

c-ares/c-ares 1.1.0

c-ares/c-ares 1.2.0

c-ares/c-ares 1.2.1

c-ares/c-ares 1.3.0

c-ares/c-ares 1.3.1

... and 20 more

Published Oct 03, 2016

Tracked Since Feb 18, 2026