McAfee Anti-Virus Zip Archive Virus Detection Bypass Vulnerability - Secunia Advisories - Vulnerability Information

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McAfee Anti-Virus Zip Archive Virus Detection Bypass Vulnerability

Secunia Advisory:

SA12876

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Release Date:

2004-10-20

Last Update:

2005-10-13

Popularity:

14,320 views

Critical:

Not critical

Impact:

Security Bypass

Where:

From remote

Solution Status:

Vendor Patch

OS:

McAfee WebShield Appliances

Software:

McAfee GroupShield for Exchange 2000 5.x
McAfee GroupShield for Exchange 4.x
McAfee GroupShield for Exchange 5.x
McAfee GroupShield for Exchange 6.x
McAfee GroupShield for Lotus Domino on AIX 5.x
McAfee GroupShield for Lotus Domino on Windows 5.x
McAfee Netshield for Netware 4.x
McAfee Netshield for NT 4.x
McAfee VirusScan 4.x
McAfee VirusScan Enterprise 7.x
McAfee VirusScan Enterprise 8.x
McAfee VirusScan for Mac (Virex) 7.x
McAfee VirusScan Professional 7.x
McAfee VirusScan ThinClient
McAfee VirusScan Wireless
McAfee WebShield SMTP 4.x

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Advisory Content (Page 1 of 3)

[ 1 ] [ 2 ] [ 3 ]

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Description:
A weakness has been reported in McAfee Anti-Virus Engine, which can be exploited by malware to bypass certain scanning functionality.

The weakness is caused due to an error when parsing .zip archive headers and can be exploited via a specially crafted .zip archive where the uncompressed size of the archived file has been modified within the local and global headers.

Successful exploitation causes malware in a specially crafted .zip archive to pass the scanning functionality undetected.

NOTE: This is not a critical issue on client systems, as the malware still is detected upon execution by the McAfee on-access scanner.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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