![]() | |||||||||||||
Messages in this thread Patch in this message |
Andy Lutomirski <luto@myrealbox.com> writes:
> The setuid program is now running with uid=euid=500 but full permitted
> capabilities. There are two (or three) ways to effectively get local
> root now:
What about this slightly shorter fix?
diff -urN a/fs/exec.c b/fs/exec.c
--- a/fs/exec.c Fri Mar 12 01:19:06 2004
+++ b/fs/exec.c Sat Apr 10 10:54:20 2004
@@ -942,6 +942,9 @@
if(!capable(CAP_SETUID)) {
bprm->e_uid = current->uid;
bprm->e_gid = current->gid;
+ cap_clear (bprm->cap_inheritable);
+ cap_clear (bprm->cap_permitted);
+ cap_clear (bprm->cap_effective);
}
}
}
Regards, Olaf.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
| ||||||||||||
| Last update: 2005-03-22 14:02 [W:0.409 / U:0.210 seconds] ©2003-2008 Jasper Spaans | |||||||||||||