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CVE-2016-9814

Published: Feb 16, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-399
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
2.4%
Top 17.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-399

Affected Products

n/an/a
simplesamlphp/saml2PackagistOSS Libraries
simplesamlphpsimplesamlphp
Library
OSS Libraries / generic-library
saml2simplesamlphp
Library
OSS Libraries / generic-library
packagistpackage-ecosystemOSS Libraries
simplesamlphposs-projectOSS Librariesaka simplesamlphp, saml2, xml-security

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

http://www.securityfocus.com/bid/94730
securityfocus.com
https://simplesamlphp.org/security/201612-01
simplesamlphp.org
https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html
lists.debian.org
and 3 more references View all →

Timeline

Published
Feb 16, 2017
Last Updated
May 13, 2026

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