Title: Solaris catman Race Condition Vulnerability
Severity: MODERATE
Description:
catman is a utility for creating preformatted man pages, distributed as part of the Solaris Operating Environment. A problem exists which could allow local users to overwrite or corrupt files owned by other users.
The problem occurs in the creation of temporary files by the catman program. Upon execution, catman creates files in the /tmp directory using the file name sman_<pid>, where pid is the Process ID of the running catman process. The creation of a symbolic link from /tmp/sman_<pid> to a file owned and writable by the user executing catman will result in the file being overwritten, or in the case of a system file, corrupted. This makes it possible for a user with malicious intent to overwrite or corrupt files owned by other users, and potentially overwrite or corrupt system files. The Sun BugID for this issue is 4392144.
Affected Products:
- Sun Solaris 2.5.1
- Sun Solaris 2.5.1_x86
- Sun Solaris 2.6
- Sun Solaris 2.6_x86
- Sun Solaris 7.0
- Sun Solaris 7.0_x86
- Sun Solaris 8
- Sun Solaris 8_x86
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