freeradius-dialupadmin in freeradius 2.0.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files in (1) backup_radacct, (2) clean_radacct, (3) monthly_tot_stats, (4) tot_stats, and (5) truncate_radacct.

References

• https://nvd.nist.gov/vuln/detail/CVE-2008-4474
• https://bugs.gentoo.org/show_bug.cgi?id=235770
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496389
• http://dev.gentoo.org/~rbu/security/debiantemp/freeradius-dialupadmin
• http://lists.debian.org/debian-devel/2008/08/msg00271.html
• http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00003.html
• http://secunia.com/advisories/32170
• http://secunia.com/advisories/33151
• http://uvw.ru/report.lenny.txt
• http://www.openwall.com/lists/oss-security/2008/10/30/2
• http://www.securityfocus.com/bid/30901