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githubGitHub Advisory DatabaseGHSA-VG4F-8V9Q-5C3X
HistoryMay 13, 2022 - 1:48 a.m.

LightSAML Incorrect Access Control vulnerability

2022-05-1301:48:33
CWE-732
GitHub Advisory Database
github.com
6
lightsaml
access control
vulnerability
signature validation
impersonation
identity provider
software

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

35.1%

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.

Affected configurations

Vulners
Node
lightsamllightsamlRange<1.3.5
VendorProductVersionCPE
lightsamllightsaml*cpe:2.3:a:lightsaml:lightsaml:*:*:*:*:*:*:*:*

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

35.1%

Related for GHSA-VG4F-8V9Q-5C3X