SUSE update for apache2-mod_auth_mellon

1) Open redirect

EUVDB-ID: #VU63468

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3639

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of logout URLs in mod_auth_mellon. A remote attacker can create a link that leads to a trusted website, trick the victim to open it and redirect to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Update the affected package apache2-mod_auth_mellon to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP4

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

openSUSE Leap: 15.3 - 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Module for Server Applications: 15-SP3 - 15-SP4

apache2-mod_auth_mellon-doc: before 0.17.0-150200.5.7.1

apache2-mod_auth_mellon-diagnostics-debuginfo: before 0.17.0-150200.5.7.1

apache2-mod_auth_mellon-diagnostics: before 0.17.0-150200.5.7.1

apache2-mod_auth_mellon-debugsource: before 0.17.0-150200.5.7.1

apache2-mod_auth_mellon-debuginfo: before 0.17.0-150200.5.7.1

apache2-mod_auth_mellon: before 0.17.0-150200.5.7.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221524-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.