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F-Secure Anti-Virus Products LHA Archive Processing Buffer Overflow
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Secunia Advisory:
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SA11712
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Release Date:
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2004-05-26
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Popularity:
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9,299 views
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Critical:
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Moderately critical
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Impact:
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DoS
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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 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 Windows Servers 5.x
F-Secure Anti-Virus for Workstations 5.x
F-Secure Internet Gatekeeper 6.x
F-Secure Internet Security 2004
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Description:
A vulnerability has been discovered in various F-Secure Anti-Virus products, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a boundary error within a module responsible for accessing content in LHA archives while scanning for viruses. This can be exploited to cause a buffer overflow by passing a specially crafted LHA archive to a system running a vulnerable product.
According to the vendor, successful exploitation causes the affected module to restart. The impact varies depending on the used product and ranges from performance degradation to system crashes and potential failure in detecting viruses.
The vulnerability affects the following products:
* F-Secure Anti-Virus for Workstation 5.42 and earlier
* F-Secure Anti-Virus for Windows Servers 5.42 and earlier
* F-Secure Anti-Virus for MIMEsweeper 5.42 and earlier
* F-Secure Anti-Virus Client Security 5.52 and earlier
* F-Secure Anti-Virus for MS Exchange 6.21 and earlier
* F-Secure Internet Gatekeeper 6.32 and earlier
* F-Secure for Firewalls 6.20 and earlier
* F-Secure Internet Security 2004 and earlier
* F-Secure Anti-Virus 2004 and earlier
* Solutions based on F-Secure Personal Express 4.5x, 4.6x and 4.7x
* F-Secure Anti-Virus for Linux Workstations 4.52 and earlier
* F-Secure Anti-Virus for Linux Servers 4.52 and earlier
* F-Secure Anti-Virus for Linux Gateways 4.52 and earlier
* F-Secure Anti-Virus for Samba Servers 4.60
Solution:
See patch matrix in original advisory.
Provided and/or discovered by:
Reported by vendor.
Original Advisory:
http://www.f-secure.com/security/fsc-2004-1.shtml
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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