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CVE-2009-1273

5.0 · MEDIUM

pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier…

Published Apr 8, 2009andrew_j.kortyCWE-255EPSS 1.31%

Overview

CVE-2009-1273 is a medium-severity vulnerability affecting andrew_j.korty pam_ssh. It was published on April 8, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.

Remediation

Check the references section for vendor advisories and patches from andrew_j.korty. Update pam_ssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.gentoo.org/show_bug.cgi?id=263579Refsecunia.com/advisories/34536Refsecunia.com/advisories/34986Refwww.redhat.com/archives/fedora-package-announce/2009-May/msg00116.htmlRefwww.redhat.com/archives/fedora-package-announce/2009-May/msg00145.htmlRefbugs.gentoo.org/show_bug.cgi?id=263579Refsecunia.com/advisories/34536Refsecunia.com/advisories/34986Refwww.redhat.com/archives/fedora-package-announce/2009-May/msg00116.htmlRefwww.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1273?

CVE-2009-1273 is a medium-severity vulnerability affecting andrew_j.korty pam_ssh. It was published on April 8, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-1273?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1273?

Check the references section for vendor advisories and patches from andrew_j.korty. Update pam_ssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1273?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1273 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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