Information disclosure in Red Hat, Inc. Keycloak
CVE-2017-2585
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Red Hat, Inc. Keycloak — versions 2.5.1
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Keycloak
- Red Hat Single Sign On — versions 7.1, 7.2
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2017-0876.html (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1038180 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.securityfocus.com/bid/97393 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:0873 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:0872 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-2585?
- CVE-2017-2585 is a medium-severity vulnerability in Red Hat, Inc. Keycloak, classified under Information Disclosure. CVSS score: 5.9/10. Published 2018-03-12.
- How severe is CVE-2017-2585?
- Medium severity. CVSS v3 base score is 5.9 out of 10.