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CVE-2008-2516 - Ailurophilic Custodian

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.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=481970 http://www.securityfocus.com/bid/29360 http://www.securitytracker.com/id?1020111 http://secunia.com/advisories/30391 http://sourceforge.net/project/shownotes.php?release_id=601775 http://www.vupen.com/english/advisories/2008/1654/references https://exchange.xforce.ibmcloud.com/vulnerabilities/42653