XMail < 0.59 APOP Overflow DoS

Critical Nessus Network Monitor Plugin ID 1800


The remote host is vulnerable to a buffer overflow.


The 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).


Upgrade to XMail 0.59 or higher.

See Also


Plugin Details

Severity: Critical

ID: 1800

Family: POP Server

Published: 2004/08/20

Updated: 2019/03/06

Nessus ID: 10559

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:davide_libenzi:xmail

Reference Information

CVE: CVE-2000-0840, CVE-2000-0841

BID: 1652