Home/CVE/The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof sig
CVE

CVE-2016-9955

The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof sig

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.

MEDIUM · CVSS 6.3 EPSS 0.0041
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
simplesamlphp< 1.14.11
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist simplesamlphp/simplesamlphp MEDIUM fixed in 1.14.11
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.0 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Feb 2017 · 02:59 AM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/94946Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/03/msg00001.htmlThird Party Advisory
https://simplesamlphp.org/security/201612-02Vendor Advisory
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