Vulnerability/
https://seclists.org/oss-sec/2024/q4/16

https://seclists.org/oss-sec/2024/q4/16: CVE-2024-47191: Local root exploit in the PAM module pam_oath.so

Published Oct 8, 2024

Updated

Affected Software

1 affected component

Openwall oath-toolkit

Frequently Asked Questions

Do the available fixes also drop or switch supplementary groups?

No. The discussion states that neither the SUSE nor upstream patches change supplementary groups, even though the patch paths change the effective user and group IDs used during access.

How do the SUSE and upstream fixes differ?

SUSE's approach forks and calls setgid() and setuid() in the child, together with openat() and flag handling. Upstream instead uses setegid() and seteuid() to switch temporarily and then switch back, and uses fopen() with the "x" mode.

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