CWE Code: 287
Vulnerability Type: privilege_escalation
CVSS Score: 4.6
CWE Name:  Improper Authentication
Summary: 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.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2008-06-03
Last Modified Date: 2017-08-08