CVE-2016-9955
medium
CVSS v3
6.3
CVSS v4 NEW
—
VIR risk
6.3
Description
The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
Predictions
Exploit likelihood
63%
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 Mixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| sid | Fixed | 1.14.11-1 |
| bullseye | Fixed | 1.14.11-1 |
| bookworm | Fixed | 1.14.11-1 |
| 7.0 | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | simplesamlphp/simplesamlphp | <1.14.11 | 1.14.11 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| simplesamlphp | simplesamlphp | {"endExcluding":"1.14.11"} | 1.14.11 |
References
- http://www.securityfocus.com/bid/94946
- https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html
- https://simplesamlphp.org/security/201612-02
- https://github.com/simplesamlphp/simplesamlphp/security/advisories/GHSA-p9cm-r7jg-8q3g
- https://nvd.nist.gov/vuln/detail/CVE-2016-9955
- https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2016-9955.yaml
- https://security-tracker.debian.org/tracker/CVE-2016-9955
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.