FCheck cronjob insecure temporary file
| fcheck-tmpfile-symlink (25830) |
Description:
FCheck for Debian GNU/Linux, and possibly other Linux-based operating systems, could allow a local attacker to launch a symlink attack. FCheck contains a cronjob that creates temporary files insecurely. A local attacker could exploit this vulnerability to create or overwrite arbitrary files on the system with elevated privileges.
Consequences:
File Manipulation
Remedy:
For Debian/GNU Linux:
Refer to DSA 1035-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for patch or upgrade information.
References:
- Debian Web site: Debian -- fcheck.
- DSA 1035-1: fcheck -- insecure temporary file.
- BID-17524: FCheck Insecure Temporary File Creation Vulnerability
- CVE-2006-1753: A cron job in fcheck before 2.7.59 allows local users to overwrite arbitrary files via a symlink attack on a temporary file.
- DSA-1035: fcheck -- insecure temporary file
Platforms Affected:
- Debian Debian Linux 3.1
- Michael A. Gumienny FCheck prior to 2.7.59-8
Reported:
Apr 15, 2006
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
