xsabre XRunSabre symlink
| xsabre-xrunsabre-symlink (45609) |  Medium Risk |
Description:
Xsabre could allow a local attacker to launch a symlink attack, caused by an error in the XRunSabre script. The sabre.log temporary file is created with insecure permissions. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to other files on the system, which would allow the attacker to overwrite arbitrary files on the system with elevated privileges.
Platforms Affected:
- Debian, xsabre 0.2.4 b-23
Remedy:
No remedy available as of October 2008.
Consequences:
File Manipulation
References:
- Debian Bug report logs - #433996, unsecure usage of /tmp files at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=433996.
- SABRE Web page, Package: xsabre at http://packages.debian.org/etch/xsabre.
- BID-31512: Debian xsabre Insecure Temporary File Creation Vulnerability
- CVE-2008-4407: XRunSabre in sabre (aka xsabre) 0.2.4b relies on the ability to create /tmp/sabre.log, which allows local users to cause a denial of service (application unavailability) by creating a /tmp/sabre.log file that cannot be overwritten.
Reported:
Jul 20, 2007
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