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F-Secure Products Zip Archive Virus Detection Bypass Vulnerability
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Secunia Advisory:
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SA13263
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Release Date:
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2004-11-23
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Last Update:
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2005-08-22
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | F-Secure Anti-Virus 2004
F-Secure Anti-Virus 2005
F-Secure Anti-Virus 5.x
F-Secure Anti-Virus Client Security 5.x
F-Secure Anti-Virus for Firewalls 6.x
F-Secure Anti-Virus for Linux 4.x
F-Secure Anti-Virus for Microsoft Exchange 6.x
F-Secure Anti-Virus for MIMEsweeper 5.x
F-Secure Anti-Virus for Samba Servers 4.x
F-Secure Anti-Virus for Workstations 5.x
F-Secure Internet Gatekeeper 6.x
F-Secure Internet Security 2004
F-Secure Internet Security 2005
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| | CVE reference: | CVE-2004-2442 (Secunia mirror)
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Description:
A vulnerability has been reported in various F-Secure products, which can be exploited by malware to bypass certain scanning functionality.
The vulnerability is caused due to an error when parsing ".zip" archives and can be exploited via a specially crafted ".zip" archive, which the scanner incorrectly calculates be of zero length.
Successful exploitation causes malware in a specially crafted ".zip" archive to bypass the scanning functionality.
NOTE: This is not a critical issue on client systems, as the malware still is detected when it is extracted.
The vulnerability affects the following products:
* F-Secure Internet Security 2004 and 2005
* F-Secure Anti-Virus 2004 and 2005
* F-Secure Anti-Virus for Workstation version 5.43 and earlier
* F-Secure Anti-Virus for Windows Servers version 5.50 and earlier
* F-Secure Anti-Virus for Linux Workstations version 4.52 and earlier
* F-Secure Anti-Virus for Linux Servers version 4.61 and earlier
* F-Secure Anti-Virus for Samba Servers version 4.60
* F-Secure Anti-Virus Linux Client Security 5.00
* F-Secure Anti-Virus for MIMEsweeper version 5.50 and earlier
* F-Secure Anti-Virus Client Security version 5.55 and earlier
* F-Secure Internet Gatekeeper version 6.41 and earlier
* F-Secure Anti-Virus for Firewalls version 6.20 and earlier
* F-Secure Anti-Virus for MS Exchange version 6.31 and earlier
* F-Secure Anti-Virus for MS Exchange version 6.01 and earlier
* F-Secure Anti-Virus for Linux Gateways version 4.61 and earlier
* F-Secure Internet Gatekeeper for Linux 2.06 and earlier
* F-Secure Anti-Virus Linux Server Security 5.00
* Solutions based on F-Secure Personal Express version 5.00 and earlier
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution:
See patch matrix in original advisory.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-08-22: Added CVE reference.
Original Advisory:
http://www.f-secure.com/security/fsc-2004-3.shtml
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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21 Related Secunia Security Advisories, displaying 10
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1. F-Secure Archives Handling Unspecified Vulnerabilities
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2. F-Secure Products CAB and RAR Archives Security Bypass
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3. F-Secure LHA and RAR Archives Security Bypass
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4. F-Secure Packed Executable and Archive Scanning Denial of Service
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5. F-Secure Anti-Virus Real-Time Scanning Component Privilege Escalation
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6. F-Secure Products LHA Archive Handling Buffer Overflow
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7. F-Secure Products OpenSSL ASN.1 Denial Of Service Vulnerability
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8. F-Secure Antivirus Products Scanning Bypass Vulnerability
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9. F-Secure Products Web Console Buffer Overflow Vulnerability
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10. F-Secure Anti-Virus Archive Handling Vulnerabilities
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