CVE-2017-2585

MEDIUM

Red Hat Keycloak < 2.5.1 - Timing Attack via Non-Constant Time HMAC Verification

Title source: llm
STIX 2.1

Description

Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.

References (6)

Core 6
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0876.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038180
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1412376
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97393
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:0873
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:0872

Scores

CVSS v3 5.9
EPSS 0.0067
EPSS Percentile 71.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (4)
org.keycloak/keycloak-core 0 - 2.5.1Maven
redhat/keycloak < 2.5.1
redhat/single_sign_on 7.1
redhat/single_sign_on 7.2
Published Mar 12, 2018
Tracked Since Feb 18, 2026