Buffer overflow in the skey_challenge function in ftpd.c for wu-ftp daemon (wu-ftpd) 2.6.2 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a s/key (SKEY) request with a long name.
ftp://ftp.wu-ftpd.org/pub/wu-ftpd/patches/apply_to_2.6.2/skeychallenge.patch
unixpunx.org/txt/exploits_archive/packetstorm/0310-advisories/wuftpd-skey.txt
www.debian.org/security/2004/dsa-457
www.redhat.com/support/errata/RHSA-2004-096.html
www.securiteam.com/unixfocus/6X00Q1P8KC.html
www.securityfocus.com/bid/8893
exchange.xforce.ibmcloud.com/vulnerabilities/13518