This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-3639 →

DEBIAN-CVE-2021-3639

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 at...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libapache2-mod-auth-mellon

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]

Debian:13 libapache2-mod-auth-mellon

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]

Debian:14 libapache2-mod-auth-mellon

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]

References

advisory security-tracker.debian.org