BMV symlink attack
| bmv-symlink (18823) |  Medium Risk |
Description:
BMV (BitMap Viewer) creates temporary files insecurely. A local attacker could use this vulnerability to create symbolic links from a temporary file to overwrite arbitrary files on the system.
Consequences:
File Manipulation
Remedy:
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest package of bmv (1.2-14.2 or later), as listed in Debian Security Advisory DSA-631-1. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BID-12229: BMV Insecure Temporary File Vulnerability
- CVE-2003-0014: gsinterf.c in bmv 1.2 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files.
- DSA-633: bmv -- insecure temporary file
- SA13793: BMV Insecure Temporary File Creation
- SECTRACK ID: 1012847: BMV Viewer Unsafe Temporary Files May Let Local Users Gain Elevated Privileges
Platforms Affected:
- Debian Debian Linux 3.0
- Peter Samuelson BMV
Reported:
Jan 11, 2005
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