redirect.pl in bk2site 1.1.9 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/redirect.log temporary file. NOTE: this vulnerability is only limited to debug mode, which is disabled by default.

References

• https://nvd.nist.gov/vuln/detail/CVE-2008-4995
• https://bugs.gentoo.org/show_bug.cgi?id=235770
• https://exchange.xforce.ibmcloud.com/vulnerabilities/46543
• http://bugs.debian.org/496430
• http://dev.gentoo.org/~rbu/security/debiantemp/bk2site
• http://www.openwall.com/lists/oss-security/2008/10/30/2