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.
Advisories
Source ID Title
EUVD EUVD EUVD-2008-2511 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T09:05:29.865Z

Reserved: 2008-06-03T00:00:00

Link: CVE-2008-2516

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2008-06-03T14:32:00.000

Modified: 2025-04-09T00:30:58.490

Link: CVE-2008-2516

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.