ftpd in linux-ftpd 0.17, and possibly other versions, performs a chdir before setting the UID, which allows local users to bypass intended access restrictions by redirecting their home directory to a restricted directory.
Link | Tags |
---|---|
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=384454 | |
http://security.gentoo.org/glsa/glsa-200611-05.xml | vendor advisory |
http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/049014.html | mailing list |
http://www.securityfocus.com/bid/21000 | vdb entry |
http://secunia.com/advisories/22997 | third party advisory |
http://www.debian.org/security/2006/dsa-1217 | vendor advisory |