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githubGitHub Advisory DatabaseGHSA-J76J-RQWJ-JMVV
HistorySep 09, 2024 - 9:31 p.m.

Keycloak Session Fixation vulnerability

2024-09-0921:31:22
CWE-384
GitHub Advisory Database
github.com
8
keycloak
saml
session fixation
vulnerability
software

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

AI Score

7.1

Confidence

Low

EPSS

0

Percentile

13.7%

A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks the current session before authentication to trigger session fixation.

Affected configurations

Vulners
Node
org.keycloak\keycloakMatchservices
OR
org.keycloak\keycloakMatchservices
OR
org.keycloak\keycloakMatchservices
OR
org.keycloak\keycloakMatchservices
VendorProductVersionCPE
org.keycloak\keycloakservicescpe:2.3:a:org.keycloak\:keycloak:services:*:*:*:*:*:*:*:*

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

AI Score

7.1

Confidence

Low

EPSS

0

Percentile

13.7%