Directory traversal vulnerability in the contains_dot_dot function in src/names.c in GNU tar allows user-assisted remote attackers to overwrite arbitrary files via certain //.. (slash slash dot dot) sequences in directory symlinks in a TAR archive.
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00370.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7779
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10420
https://issues.rpath.com/browse/RPL-1631
http://www.vupen.com/english/advisories/2007/4238
http://www.vupen.com/english/advisories/2007/2958
http://www.us-cert.gov/cas/techalerts/TA07-352A.html
http://www.ubuntu.com/usn/usn-506-1
http://www.trustix.org/errata/2007/0026/
http://www.securitytracker.com/id?1018599
http://www.securityfocus.com/bid/25417
http://www.securityfocus.com/archive/1/477865/100/0/threaded
http://www.securityfocus.com/archive/1/477731/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2007-0860.html
http://www.novell.com/linux/security/advisories/2007_18_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:173
http://www.debian.org/security/2007/dsa-1438
http://support.avaya.com/elmodocs2/security/ASA-2007-383.htm
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021680.1-1
http://security.gentoo.org/glsa/glsa-200709-09.xml
http://security.FreeBSD.org/advisories/FreeBSD-SA-07:10.gtar.asc
http://secunia.com/advisories/28255
http://secunia.com/advisories/28136
http://secunia.com/advisories/27861
http://secunia.com/advisories/27453
http://secunia.com/advisories/26984
http://secunia.com/advisories/26822
http://secunia.com/advisories/26781
http://secunia.com/advisories/26674
http://secunia.com/advisories/26673
http://secunia.com/advisories/26655
http://secunia.com/advisories/26604
http://secunia.com/advisories/26603
http://secunia.com/advisories/26590
http://secunia.com/advisories/26573
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html