IrfanView Formats Plugin ECW Plugin File Handling Buffer Overflow Vulnerability

High Nessus Plugin ID 59849


The remote host has an application installed that is affected by a heap-based buffer overflow vulnerability.


The version of the IrfanView Formats ECW plugin (NCSEcw.dll) was found to be less than 4.34. Such versions are affected by a heap-based buffer overflow caused by insufficient validation when decompressing ECW images. An attacker could exploit this vulnerability to execute arbitrary code by tricking a user into opening a specially crafted .ecw file.


Upgrade the Formats ECW plugin to version (4.34) or higher.

See Also

Plugin Details

Severity: High

ID: 59849

File Name: irfanview_ecw_heap_overflow.nasl

Version: $Revision: 1.2 $

Type: local

Agent: windows

Family: Windows

Published: 2012/07/05

Modified: 2012/07/06

Dependencies: 57559

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: cpe:/a:irfanview:irfanview

Required KB Items: SMB/IrfanView/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/05/24

Vulnerability Publication Date: 2012/05/31

Reference Information

BID: 53744

OSVDB: 82576

EDB-ID: 18964