LightSAML Incorrect Access Control vulnerability
Date: 2022-05
Affected: composer/lightsaml/lightsaml
Attack vector: auth-bypass
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2018-1000165
CWE: CWE-732
CVSS: 7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

LightSAML version prior to 1.3.5 contains a Incorrect Access Control vulnerability in signature validation in readers in `src/LightSaml/Model/XmlDSig/` that can result in impersonation of any user from Identity Provider. This vulnerability appears to have been fixed in 1.3.5 and later.


Mitigations:

Architectural layers (MAESTRO):