libapache2-mod-auth-openidc is vulnerable to privilege escalation. The vulnerability exists due to oidc_validate_redirect_url()
does not parse URLs the same way as most browsers.
daniel.haxx.se/blog/2017/01/30/one-url-standard-please/
github.com/zmartzone/mod_auth_openidc/commit/3a115484eb927bc6daa5737dd84f88ff4bbc5544
github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9
github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-xm4c-5wm5-jqv7
lists.fedoraproject.org/archives/list/[email protected]/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/
lists.fedoraproject.org/archives/list/[email protected]/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/
security-tracker.debian.org/tracker/CVE-2021-32786
security.netapp.com/advisory/ntap-20210902-0001/
www.oracle.com/security-alerts/cpuapr2022.html