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7-Zip ARJ Archive Handling Buffer Overflow
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Secunia Advisory:
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SA16664
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Release Date:
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2005-09-23
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Last Update:
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2005-09-27
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Critical:
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Moderately critical
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Impact:
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System access
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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: | 7-Zip 3.x
7-Zip 4.x
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| | CVE reference: | CVE-2005-3051 (Secunia mirror)
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Description:
Secunia Research has discovered a vulnerability in 7-Zip, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when handling an ARJ block that is larger than 2600 bytes. This can be exploited to cause a stack-based buffer overflow when a specially crafted ARJ file is opened.
Successful exploitation allows arbitrary code execution.
The vulnerability has been confirmed in version 3.13, 4.23, and 4.26 BETA. Other versions may also be affected.
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:
The vulnerability has been fixed in version 4.27 BETA.
Provided and/or discovered by:
Tan Chew Keong, Secunia Research.
Changelog:
2005-09-27: Added CVE reference.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-45/advisory/
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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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1 Related Secunia Security Advisories
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1. 7-zip Unspecified Vulnerability
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