CVEvulnerability

CVE-2019-10201

8.1 HIGH Published 2019-08-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-08-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 3.0 ([email protected])
8.1 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
Weaknesses
CWE-347, CWE-592

Description

It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.

Affected configurations

• redhat keycloak (<= 6.0.1) • redhat single sign-on 7.0 • redhat single sign-on 7.3.3

Related

Weakness · not in database (1)

Weakness · CWE (1)

  • CWE-347 Improper Verification of Cryptographic Signature weakness

References