CVE-2008-2516: Libpam-Pgsql

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Libpam-Pgsql Libpam-Pgsql: version 0.6.3 only

Published 2008-06-03. Last modified 2026-06-16.