XMail < 0.59 APOP Overflow DoS
Critical Nessus Network Monitor Plugin ID 1800
SynopsisThe remote host is vulnerable to a buffer overflow.
DescriptionThe remote XMail POP server is vulnerable to a buffer overflow when it receives two long arguments for the APOP command. This problem may allow an attacker to disable this POP server remotely or even to execute arbitrary commands with its privileges (typically, root).
SolutionUpgrade to XMail 0.59 or higher.