CVE-2011-2516
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.
Predictions
Exploit likelihood
20%
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
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.6.1-1 |
| sid | Fixed | 1.6.1-1 |
| forky | Fixed | 1.6.1-1 |
| bullseye | Fixed | 1.6.1-1 |
| bookworm | Fixed | 1.6.1-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | xml_security_for_c\+\+ | 1.6.0 | |
| shibboleth | shibboleth-sp | {"endIncluding":"2.4.2"} | |
| shibboleth | shibboleth-sp | 1.3.1 | |
| shibboleth | shibboleth-sp | 1.3.2 | |
| shibboleth | shibboleth-sp | 1.3.3 | |
| shibboleth | shibboleth-sp | 1.3.4 | |
| shibboleth | shibboleth-sp | 1.3.5 | |
| shibboleth | shibboleth-sp | 1.3f | |
| shibboleth | shibboleth-sp | 2.0 | |
| shibboleth | shibboleth-sp | 2.1 | |
| shibboleth | shibboleth-sp | 2.2 | |
| shibboleth | shibboleth-sp | 2.2.1 | |
| shibboleth | shibboleth-sp | 2.3 | |
| shibboleth | shibboleth-sp | 2.3.1 | |
| shibboleth | shibboleth-sp | 2.4 | |
| shibboleth | shibboleth-sp | 2.4.1 | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
- http://santuario.apache.org/secadv/CVE-2011-2516.txt
- http://secunia.com/advisories/45151
- http://secunia.com/advisories/45191
- http://secunia.com/advisories/45198
- http://secunia.com/advisories/45491
- http://shibboleth.internet2.edu/secadv/secadv_20110706.txt
- http://www.debian.org/security/2011/dsa-2277
- http://www.securityfocus.com/archive/1/518756/100/0/threaded
- http://www.securityfocus.com/bid/48611
- http://www.securitytracker.com/id?1025755
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
- https://issues.apache.org/jira/browse/SANTUARIO-271
- https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
- https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
- https://security-tracker.debian.org/tracker/CVE-2011-2516
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.