GuildFTPd 0.999.14, and possibly other versions, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long arguments to the CWD and LIST commands, which triggers heap corruption related to an improper free call, and possibly triggering a heap-based buffer overflow.

guildftpd

Buffer overflow in GuildFTPd 0.999.13 allows remote attackers to have an unknown impact, possibly code execution related to input containing "globbing chars."

steve_poulsen

GuildFTPd 0.999 allows remote attackers to cause a denial of service (crash) via a GET request for MS-DOS device names such as lpt1.

steve_poulsen

GuildFTPd 0.9.7 stores user names and passwords in plaintext in the default.usr file, which allows local users to gain privileges as other FTP users by reading the file.