CVE-2011-4971
Description
Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a 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.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Metasploit modules
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.4.13-0.3 |
| sid | Fixed | 1.4.13-0.3 |
| forky | Fixed | 1.4.13-0.3 |
| bullseye | Fixed | 1.4.13-0.3 |
| bookworm | Fixed | 1.4.13-0.3 |
References
- https://www.suse.com/security/cve/CVE-2011-4971.html
- http://insecurety.net/?p=872
- http://secunia.com/advisories/56183
- http://www.debian.org/security/2014/dsa-2832
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:280
- http://www.securityfocus.com/bid/59567
- http://www.ubuntu.com/usn/USN-2080-1
- https://code.google.com/p/memcached/issues/detail?id=192
- https://puppet.com/security/cve/cve-2011-4971
- https://security-tracker.debian.org/tracker/CVE-2011-4971
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.