CVE-2008-5540

2008-12-1218:30:03

CWE-20

mitre

web.nvd.nist.gov

cve-2008-5540

secure computing

web gateway

internet explorer

bypass detection

malware

html

mz header

exe info

exploit

nvd

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

AI Score

6.2

Confidence

Low

EPSS

0.971

Percentile

99.8%

JSON

Secure Computing Secure Web Gateway (aka Webwasher), when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka “EXE info”) at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

Affected configurations

Nvd

Node

secure_computingsecure_web_gateway

secure_computingwebwasher

AND

microsoftinternet_explorerMatch6

microsoftinternet_explorerMatch7

VendorProductVersionCPE
secure_computingsecure_web_gateway*cpe:2.3:a:secure_computing:secure_web_gateway:*:*:*:*:*:*:*:*
secure_computingwebwasher*cpe:2.3:a:secure_computing:webwasher:*:*:*:*:*:*:*:*
microsoftinternet_explorer6cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
microsoftinternet_explorer7cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
secure_computing	secure_web_gateway	*	cpe:2.3:a:secure_computing:secure_web_gateway::::::::
secure_computing	webwasher	*	cpe:2.3:a:secure_computing:webwasher::::::::
microsoft	internet_explorer	6	cpe:2.3:a:microsoft:internet_explorer:6:::::::*
microsoft	internet_explorer	7	cpe:2.3:a:microsoft:internet_explorer:7:::::::*