Environment Poisoning and login -p

Dag-ErlingSmørgrav des at des.no
Thu Feb 26 02:14:50 PST 2004


Tim Kientzle <tim at kientzle.com> writes:
> There's been an ongoing discussion (started by
> Colin Percival's recent work on nologin) about
> environment-poisoning attacks via "login -p".
> [...]

You missed the obvious solution: remove login(1)'s setuid bit so it
only works if you are already root.

DES
-- 
Dag-Erling Smørgrav - des at des.no


More information about the freebsd-security mailing list