Title: IRIX /usr/lib/netaddpr Vulnerability
Severity: HIGH
Description:
SGI's IRIX 5.x and 6.x operating system include a utility called /usr/lib/netaddpr. This program can be used by privledged users to add network printing devices to the system. A race condition exists in this program that could allow any "privledged" user to obtain root access.
The netaddpr program is shipped setuid root. As part of its execution, it creates a file in /var/tmp with the file template printersXXXXXX. Because the creation of the file and the actual opening of the file are independant events, there exists a window, during which time an attacker can replace the file with a symbolic link. By making this link point to, for instance, /.rhosts, an attacker can elevate their privledges to that of root.
Affected Products:
- SGI IRIX 5.0.0
- SGI IRIX 5.0.1
- SGI IRIX 5.1.0
- SGI IRIX 5.1.1
- SGI IRIX 5.2.0
- SGI IRIX 5.3.0
- SGI IRIX 6.0.1
- SGI IRIX 6.0.1 XFS
- SGI IRIX 6.1.0
- SGI IRIX 6.2.0
References:
- Silicon Graphics Inc.: Welcome to SGI
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