Mageia 8 MGASA-2021-0452 Critical: Open Redirect and XSS Threats
mageia
October 2, 2021
In versions prior to 2.4.9, `oidc_validate_redirect_url()` does not parse URLs the same way as most browsers do
Summary
In versions prior to 2.4.9, `oidc_validate_redirect_url()` does not parse
URLs the same way as most browsers do. As a result, this function can be
bypassed and leads to an Open Redirect vulnerability in the logout
functionality. (CVE-2021-32786)
In mod_auth_openidc before version 2.4.9, the AES GCM encryption in
mod_auth_openidc uses a static IV and AAD. It is important to fix because
this creates a static nonce and since aes-gcm is a stream cipher, this can
lead to known cryptographic issues, since the same key is being reused.
(CVE-2021-32791)
In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in
when using `OIDCPreservePost On`. (CVE-2021-32792)
References
- https://bugs.mageia.org/show_bug.cgi?id=29344
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/
- https://lists.suse.com/pipermail/sle-security-updates/2021-September/009431.html
-
- https://www.cve.org/CVERecord?id=CVE-2021-32786
- https://www.cve.org/CVERecord?id=CVE-2021-32791
- https://www.cve.org/CVERecord?id=CVE-2021-32792
- https://www.cve.org/CVERecord?id=CVE-2021-32785
Topics Covered
Resolution
SRPMS
- 8/core/apache-mod_auth_openidc-2.4.9.4-1.mga8
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Severity
critical
Lowest
Low
Medium
High
Critical
Publication date: 02 Oct 2021
URL: https://advisories.mageia.org/MGASA-2021-0452.html
Type: security
CVE: CVE-2021-32786,
CVE-2021-32791,
CVE-2021-32792,
CVE-2021-32785
Topics Covered
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