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CVE-2008-2516

4.6 · MEDIUM

pam_sm_authenticate in pam_pgsql.c in libpam-pgsql 0.6.3 does not properly consider operator precedence when evaluating the success of a pam_get_pass function call, which allows local users to gain…

Published Jun 3, 2008libpam-pgsqlCWE-287EPSS 0.32%

Overview

CVE-2008-2516 is a medium-severity vulnerability affecting libpam-pgsql libpam-pgsql. It was published on June 3, 2008 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

pam_sm_authenticate in pam_pgsql.c in libpam-pgsql 0.6.3 does not properly consider operator precedence when evaluating the success of a pam_get_pass function call, which allows local users to gain privileges via a SIGINT signal when this function is executing, as demonstrated by a CTRL-C sequence at a sudo password prompt in an "auth sufficient pam_pgsql.so" configuration.

Remediation

Check the references section for vendor advisories and patches from libpam-pgsql. Update libpam-pgsql 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.debian.org/cgi-bin/bugreport.cgi?bug=481970Refsecunia.com/advisories/30391Refsourceforge.net/project/shownotes.php?release_id=601775Refwww.securityfocus.com/bid/29360Refwww.securitytracker.com/id?1020111Refwww.vupen.com/english/advisories/2008/1654/referencesRefexchange.xforce.ibmcloud.com/vulnerabilities/42653Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=481970Refsecunia.com/advisories/30391Refsourceforge.net/project/shownotes.php?release_id=601775

How CyberStrike helps

Frequently asked questions

What is CVE-2008-2516?

CVE-2008-2516 is a medium-severity vulnerability affecting libpam-pgsql libpam-pgsql. It was published on June 3, 2008 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2008-2516?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-2516?

Check the references section for vendor advisories and patches from libpam-pgsql. Update libpam-pgsql 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-2008-2516?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-2516 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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