Auth bypass in Openidc Mod Auth
CVE-2017-6413
The "OpenID Connect Relying Party and OAuth 2.0 Resource Server" (aka mod_auth_openidc) module before 2.1.6 for the Apache HTTP Server does not skip OIDC_CLAIM_ and OIDCAuthNHeader headers in an "AuthType oauth20" configuration, which allows remote attackers to bypass authentication via crafted HTTP traffic.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.043 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/pingidentity/mod_auth_openidc/blob/master/ChangeLog (Patch, Third Party Advisory, Issue Tracking)
- github.com/pingidentity/mod_auth_openidc/releases/tag/v2.1.6 (Patch, Third Party Advisory, Release Notes)
- github.com/pingidentity/mod_auth_openidc/commit/21e3728a825c41ab41efa75e6641080… (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/96549 (vdb-entry)
- access.redhat.com/errata/RHSA-2019:2112 (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2017-6413?
- CVE-2017-6413 is a high-severity vulnerability in Openidc Mod Auth, classified under Improper Authentication. CVSS score: 8.6/10. Published 2017-03-02.
- How severe is CVE-2017-6413?
- High severity. CVSS v3 base score is 8.6 out of 10.