CheckInstall multiple symlink
| checkinstall-multiple-symlink (43440) |  Medium Risk |
Description:
CheckInstall could allow a local attacker to launch a symlink attack, caused by an error in the checkinstall and installwatch scripts. Certain directories are 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:
- CheckInstall, CheckInstall 1.6.1
Remedy:
No remedy available as of November 15, 2008.
Consequences:
File Manipulation
References:
- Debian Bug report logs - #488140, checkinstall: Unsafe temp dir creation at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488140.
- Debian Web site, Package: checkinstall (1.6.1-7 and others) at http://packages.debian.org/unstable/admin/checkinstall.
- CVE-2008-2958: Race condition in (1) checkinstall 1.6.1 and (2) installwatch allows local users to overwrite arbitrary files and have other impacts via symlink and possibly other attacks on temporary working directories.
- SA30873: CheckInstall Insecure Temporary Files
Reported:
Jun 26, 2008
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