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F-Prot Antivirus Multiple Denial of Service Vulnerabilities
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Secunia Advisory:
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SA31118
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Release Date:
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2008-07-17
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Last Update:
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2008-07-28
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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-Prot Antivirus for Windows 6.x
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| | CVE reference: | CVE-2008-3243 (Secunia mirror)
CVE-2008-3244 (Secunia mirror)
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Description:
Some vulnerabilities have been reported in F-Prot Antivirus, which can be exploited by malicious people to cause a DoS (Denial of Service).
1) An input validation error when processing the nb_dir field field of a CHM file's header can be exploited to cause an invalid memory access.
2) An unspecified error can be exploited to crash the engine via a specially crafted UPX-compressed file.
3) An unspecified error can be exploited to cause the engine to enter an infinite loop via a specially crafted Microsoft Office file.
4) An unspecified error can be exploited to cause a crash in the 64-bit engine when scanning ASPack-compressed files.
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:
Update to the latest product/engine versions.
http://www.f-prot.com/download/
Provided and/or discovered by:
1) Sergio Alvarez of n.runs AG
Changelog:
2008-07-28: Added CVE reference.
Original Advisory:
FRISK:
http://www.f-prot.com/download/ReleaseNotesWindows.txt
n.runs:
http://www.nruns.com/security_advisory_fprot_out-of-bound_memory_access_DoS.php
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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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