Exim < 4.22 smtp_in.c HELO/EHLO Remote Overflow

High Nessus Plugin ID 11828


The remote SMTP server has a heap-based buffer overflow vulnerability.


According to its banner, the version of Exim running on the remote host has a remote heap-based buffer overflow vulnerability. A remote, unauthenticated attacker could potentially exploit this to execute arbitrary code.


Upgrade to Exim 4.21 or later, or apply the appropriate patches.

See Also



Plugin Details

Severity: High

ID: 11828

File Name: exim_heap_overflow.nasl

Version: $Revision: 1.19 $

Type: remote

Published: 2003/09/02

Modified: 2017/06/05

Dependencies: 10263

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 5.5

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

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

Vulnerability Information

CPE: cpe:/a:exim:exim

Exploit Available: false

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2003/08/14

Reference Information

CVE: CVE-2003-0743

BID: 8518

OSVDB: 10877