fbida fbgs /var/tmp symlink
| fbida-fbgs-tmpdir-symlink (25729) |  Medium Risk |
Description:
fbida could allow a local attacker to launch a symlink attack. If the TMPDIR environment variable is not set, the fbgs script creates files in the /var/tmp directory insecurely. An attacker could exploit this vulnerability to overwrite arbitrary files on the system with the privileges of the user running the script.
Platforms Affected:
- Debian, Debian Linux 3.0
- Debian, Debian Linux 3.1
- fbida Project, fbida 2.01
- fbida Project, fbida 2.04
- Gentoo, Linux
Remedy:
For Debian GNU/Linux:
Refer to DSA-1068-1 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-04-13 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for patch or upgrade information.
Consequences:
File Manipulation
References:
- Debian Bug report logs - #361370, fbgs: uses insecure tempfiles at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=361370.
- BID-17436: Fbida FBGS Insecure Temporary File Creation Vulnerability
- CVE-2006-1695: The fbgs script in the fbi package 2.01-1.4, when the TMPDIR environment variable is not defined, allows local users to overwrite arbitrary files via a symlink attack on temporary files in /var/tmp/fbps-[PID].
- DSA-1068: fbi -- insecure temporary file
- GLSA-200604-13: fbida: Insecure temporary file creation
- SA19559: fbida fbgs Insecure Temporary File Creation Vulnerability
- SUSE-SR:2006:019: SUSE Security Summary Report
- VUPEN/ADV-2006-1281: fbida fbgs Script Insecure Temporary File Creation Vulnerability
Reported:
Apr 08, 2006
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