The AcquireDaemonLock function in ipcdUnix.cpp in Sun Innotek VirtualBox before 2.0.6 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/.vbox-$USER-ipc/lock temporary file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2008-5256
• https://exchange.xforce.ibmcloud.com/vulnerabilities/46826
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=504149
• http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
• http://secunia.com/advisories/32851
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-247326-1
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:011
• http://www.securityfocus.com/bid/32444
• http://www.securitytracker.com/id?1021384
• http://www.virtualbox.org/changeset?new=trunk%2Fsrc%2Flibs%2Fxpcom18a4%2Fipc%2Fipcd%2Fdaemon%2Fsrc%2FipcdUnix.cpp%4013810
• http://www.virtualbox.org/wiki/Changelog
• http://www.vupen.com/english/advisories/2008/3410