CVE-2021-3639
Published: 4 August 2021
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libapache2-mod-auth-mellon Launchpad, Ubuntu, Debian |
bionic |
Released
(0.13.1-1ubuntu0.3)
|
| focal |
Released
(0.16.0-1ubuntu0.1)
|
|
| hirsute |
Released
(0.17.0-1ubuntu0.21.04.1)
|
|
| impish |
Released
(0.17.0-1ubuntu1)
|
|
| jammy |
Released
(0.17.0-1ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://github.com/latchset/mod_auth_mellon/commit/42a11261b9dad2e48d70bdff7c53dd57a12db6f5 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |