Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS05Zzk4LTVtajYtZjltds4AAx6j

Keycloak vulnerable to user impersonation via stolen UUID code

Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, could use that data to impersonate the victim and generate new session tokens.

Permalink: https://github.com/advisories/GHSA-9g98-5mj6-f9mv
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS05Zzk4LTVtajYtZjltds4AAx6j
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago

CVSS Score: 8.7
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS Percentage: 0.00048
EPSS Percentile: 0.1955

Identifiers: GHSA-9g98-5mj6-f9mv, CVE-2023-0264
References:

• https://github.com/keycloak/keycloak/security/advisories/GHSA-9g98-5mj6-f9mv
• https://github.com/keycloak/keycloak/commit/ec8109112e67208c13e13f6d1f8706a5a3ba8d4c
• https://nvd.nist.gov/vuln/detail/CVE-2023-0264
• https://access.redhat.com/security/cve/CVE-2023-0264
• https://github.com/advisories/GHSA-9g98-5mj6-f9mv

Repository: https://github.com/keycloak/keycloak
Blast Radius: 23.9

Affected Packages