CVE-2021-39191

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9.4, the 3rd-party init SSO functionality of mod_auth_openidc was reported to be vulnerable to an open redirect attack by supplying a crafted URL in the `target_link_uri` parameter. A patch in version 2.4.9.4 made it so that the `OIDCRedirectURLsAllowed` setting must be applied to the `target_link_uri` parameter. There are no known workarounds aside from upgrading to a patched version.
Configurations

Configuration 1 (hide)

cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-09-03 14:15

Updated : 2023-11-07 03:37


NVD link : CVE-2021-39191

Mitre link : CVE-2021-39191

CVE.ORG link : CVE-2021-39191


JSON object : View

Products Affected

debian

  • debian_linux

fedoraproject

  • fedora

openidc

  • mod_auth_openidc
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')