The (1) pj-gs.sh, (2) ps2epsi, (3) pv.sh, and (4) sysvlp.sh scripts in the ESP Ghostscript (espgs) package in Trustix Secure Linux 1.5 through 2.1, and other operating systems, allow local users to overwrite files via a symlink attack on temporary files.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (09/07/2007)
Red Hat is aware of this issue and is tracking it via the following bug:
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here:
The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 which is in maintenance mode.
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Advisory; Patch Information
References to Check Content