vulnerability

CentOS Linux: CVE-2021-39191: Moderate: mod_auth_openidc:2.3 security update (CESA-2022:1823)

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Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
2021-09-03
Added
2022-05-13
Modified
2023-05-25

Description

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.

Solution(s)

centos-upgrade-cjosecentos-upgrade-cjose-debuginfocentos-upgrade-cjose-debugsourcecentos-upgrade-cjose-develcentos-upgrade-mod_auth_openidccentos-upgrade-mod_auth_openidc-debuginfocentos-upgrade-mod_auth_openidc-debugsource

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