eTrust Antivirus Zip Archive Virus Detection Bypass Vulnerability - Secunia Advisories - Vulnerability Information

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eTrust Antivirus Zip Archive Virus Detection Bypass Vulnerability

Secunia Advisory:

SA12877

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Release Date:

2004-10-20

Last Update:

2004-11-16

Popularity:

13,502 views

Critical:

Moderately critical

Impact:

Security Bypass

Where:

From remote

Solution Status:

Vendor Patch

Software:

BrightStor ARCserve Backup 11.x (for Windows)
eTrust Antivirus 6.x
eTrust Antivirus 7.x
eTrust EZ Antivirus 6.x
eTrust EZ Armor 2.x
eTrust InoculateIT 6.x for Linux
eTrust InoculateIT 6.x for Windows
eTrust Intrusion Detection 3.x
eTrust Secure Content Manager (SCM)
ZoneAlarm Antivirus 5.x
ZoneAlarm Security Suite 5.x

Secunia CVSS-2 Score:

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Advisory Content (Page 1 of 3)

[ 1 ] [ 2 ] [ 3 ]

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Description:
A vulnerability has been reported in eTrust Antivirus, which can be exploited by malware to bypass certain scanning functionality.

The vulnerability is caused due to an error in the decompression engine (Arclib.dll) 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 eTrust Antivirus Real-Time scanner.

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

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