CVE-2016-5180
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 16.10 | Affected | — |
| 16.04 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.12.0-1 |
| sid | Fixed | 1.12.0-1 |
| forky | Fixed | 1.12.0-1 |
| bullseye | Fixed | 1.12.0-1 |
| bookworm | Fixed | 1.12.0-1 |
| 8.0 | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1.12.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| 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 | |
| c-ares | c-ares | 1.3.2 | |
| c-ares | c-ares | 1.4.0 | |
| c-ares | c-ares | 1.5.0 | |
| c-ares | c-ares | 1.5.1 | |
| c-ares | c-ares | 1.5.2 | |
| c-ares | c-ares | 1.5.3 | |
| c-ares | c-ares | 1.6.0 | |
| c-ares | c-ares | 1.7.0 | |
| c-ares | c-ares | 1.7.1 | |
| c-ares | c-ares | 1.7.2 | |
| c-ares | c-ares | 1.7.3 | |
| c-ares | c-ares | 1.7.4 | |
| c-ares | c-ares | 1.7.5 | |
| c-ares | c-ares | 1.8.0 | |
| c-ares | c-ares | 1.9.0 | |
| c-ares | c-ares | 1.9.1 | |
| c-ares | c-ares | 1.10.0 | |
| c-ares_project | c-ares | 1.11.0 | |
| nodejs | node.js | {"startIncluding":"0.10.0","endExcluding":"0.10.48"} | 0.10.48 |
References
- https://www.suse.com/security/cve/CVE-2016-5180.html
- https://security.archlinux.org/ASA-201609-31
- 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
- https://security-tracker.debian.org/tracker/CVE-2016-5180
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.