The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt
itrc.hp.com/service/cki/docDisplay.do?docId=c00637342
secunia.com/advisories/14411
secunia.com/advisories/18210
secunia.com/advisories/19561
sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1
sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1
www.debian.org/security/2005/dsa-705
www.idefense.com/application/poi/display?id=207&type=vulnerabilities
www.osvdb.org/14203
www.vupen.com/english/advisories/2005/0588
www.vupen.com/english/advisories/2006/1271
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762