Trend Micro VsapiNT.sys UPX File Parsing DoS

High Nessus Plugin ID 24815


The remote Windows host is prone to a denial of service attack.


The version of Trend Micro Antivirus installed on the remote Windows host contains a divide-by-zero error in its 'VsapiNT.sys' kernel driver. Using a specially crafted UPX file, a remote attacker may be able to leverage this flaw to crash the affected host.


Update the Virus Pattern File to 4.335.00 or later.

See Also

Plugin Details

Severity: High

ID: 24815

File Name: trendmicro_upx_parsing_dos.nasl

Version: $Revision: 1.16 $

Type: local

Agent: windows

Family: Windows

Published: 2007/03/15

Modified: 2013/04/25

Dependencies: 16192

Risk Information

Risk Factor: High


Base Score: 7.8

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/a:trend_micro:trend_micro_antivirus

Required KB Items: Antivirus/TrendMicro/trendmicro_internal_pattern_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2007/03/14

Vulnerability Publication Date: 2007/03/14

Reference Information

CVE: CVE-2007-1591

BID: 22965

OSVDB: 34075