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Security Advisories: GSA_kwCzR0hTQS01cnhwLTJyaHItcXdxds4ABAQT

Session fixation in Elytron SAML adapters

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.

Permalink: https://github.com/advisories/GHSA-5rxp-2rhr-qwqv
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS01cnhwLTJyaHItcXdxds4ABAQT
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 1 day ago
Updated: 1 day ago


CVSS Score: 7.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Identifiers: GHSA-5rxp-2rhr-qwqv
References: Repository: https://github.com/keycloak/keycloak
Blast Radius: 19.5

Affected Packages

maven:org.keycloak:keycloak-services
Dependent packages: 90
Dependent repositories: 561
Downloads:
Affected Version Ranges: >= 25.0.0, < 25.0.5, >= 23.0.0, <= 24.0.6, <= 22.0.11
Fixed in: 25.0.5, 24.0.7, 22.0.12
All affected versions: 5.0.0, 6.0.0, 6.0.1, 7.0.0, 7.0.1, 8.0.0, 8.0.1, 8.0.2, 9.0.0, 9.0.2, 9.0.3, 10.0.0, 10.0.1, 10.0.2, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 13.0.0, 13.0.1, 14.0.0, 15.0.0, 15.0.1, 15.0.2, 15.1.0, 15.1.1, 16.0.0, 16.1.0, 16.1.1, 17.0.0, 17.0.1, 18.0.0, 18.0.1, 18.0.2, 19.0.0, 19.0.1, 19.0.2, 19.0.3, 20.0.0, 20.0.1, 20.0.2, 20.0.3, 20.0.4, 20.0.5, 21.0.0, 21.0.1, 21.0.2, 21.1.0, 21.1.1, 21.1.2, 22.0.0, 22.0.1, 22.0.2, 22.0.3, 22.0.4, 22.0.5, 23.0.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.0.5, 23.0.6, 23.0.7, 24.0.0, 24.0.1, 24.0.2, 24.0.3, 24.0.4, 24.0.5, 25.0.0, 25.0.1, 25.0.2, 25.0.3, 25.0.4
All unaffected versions: 25.0.5, 25.0.6, 26.0.0