Amazon Linux 2 Security Advisory: ALAS-2023-2077
Advisory Release Date: 2023-06-05 16:39 Pacific
Advisory Updated Date: 2023-06-07 22:38 Pacific
A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an attacker to facilitate phishing attacks by tricking users into visiting a trusted web application URL that redirects to an external and potentially malicious server. The highest threat from this liability is to confidentiality and integrity. (CVE-2021-3639)
Affected Packages:
mod_auth_mellon
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update mod_auth_mellon to update your system.
aarch64:
mod_auth_mellon-0.14.0-9.amzn2.0.1.aarch64
mod_auth_mellon-debuginfo-0.14.0-9.amzn2.0.1.aarch64
mod_auth_mellon-diagnostics-0.14.0-9.amzn2.0.1.aarch64
i686:
mod_auth_mellon-0.14.0-9.amzn2.0.1.i686
mod_auth_mellon-debuginfo-0.14.0-9.amzn2.0.1.i686
mod_auth_mellon-diagnostics-0.14.0-9.amzn2.0.1.i686
src:
mod_auth_mellon-0.14.0-9.amzn2.0.1.src
x86_64:
mod_auth_mellon-0.14.0-9.amzn2.0.1.x86_64
mod_auth_mellon-debuginfo-0.14.0-9.amzn2.0.1.x86_64
mod_auth_mellon-diagnostics-0.14.0-9.amzn2.0.1.x86_64