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Debian: CVE-2022-23527: libapache2-mod-auth-openidc -- security update

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Debian: CVE-2022-23527: libapache2-mod-auth-openidc -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/14/2022
Created
07/25/2023
Added
07/24/2023
Modified
07/24/2023

Description

mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed.

Solution(s)

  • debian-upgrade-libapache2-mod-auth-openidc

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