CVE-2016-5180
Published: October 3, 2016Last modified: September 16, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | c-ares | Not affected (1.19.1-r0) |
| Stream | c-ares | Not affected (1.19.1-r1) |
References
- http://rhn.redhat.com/errata/RHSA-2017-0002.html
- http://www.debian.org/security/2016/dsa-3682
- http://www.securityfocus.com/bid/93243
- http://www.ubuntu.com/usn/USN-3143-1
- https://c-ares.haxx.se/CVE-2016-5180.patch
- https://c-ares.haxx.se/adv_20160929.html
- https://googlechromereleases.blogspot.in/2016/09/stable-channel-updates-for-chrome-os.html
- https://security.gentoo.org/glsa/201701-28
- https://source.android.com/security/bulletin/2017-01-01.html