CVE-2016-3947
Description
Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.
Predictions
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 |
|---|---|---|
| 16.04 | Affected | — |
| 15.10 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.1-1 |
| sid | Fixed | 4.1-1 |
| forky | Fixed | 4.1-1 |
| bullseye | Fixed | 4.1-1 |
| bookworm | Fixed | 4.1-1 |
References
- https://www.suse.com/security/cve/CVE-2016-3947.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
- http://www.securitytracker.com/id/1035457
- http://www.squid-cache.org/Advisories/SQUID-2016_3.txt
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10495.patch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11839.patch
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12694.patch
- http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13232.patch
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14015.patch
- http://www.ubuntu.com/usn/USN-2995-1
- https://security.gentoo.org/glsa/201607-01
- https://security-tracker.debian.org/tracker/CVE-2016-3947
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.