/bin/login in shadow 4.0.18.1 in Debian GNU/Linux, and probably other Linux distributions, allows local users in the utmp group to overwrite arbitrary files via a symlink attack on a temporary file referenced in a line (aka ut_line) field in a utmp entry.
2008-12-09T00:30:00.517
2025-04-09T00:30:58.490
Deferred
CVSSv2: 7.2 (HIGH)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0