Buffer overflow in cfingerd 1.4.3 and earlier with the ALLOW_LINE_PARSING option enabled allows local users to execute arbitrary code via a long line in the .nofinger file.
Format string vulnerability in Infodrom cfingerd 1.4.3 and earlier allows a remote attacker to gain additional privileges via a malformed ident reply that is passed to the syslog function.
Cfingerd with ALLOW_EXECUTION enabled does not properly drop privileges when it executes a program on behalf of the user, allowing local users to gain root privileges.