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Dr.Web LHA Directory Name Buffer Overflow
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Secunia Advisory:
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SA22019
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Release Date:
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2006-09-20
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Last Update:
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2007-01-03
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Popularity:
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8,035 views
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Critical:
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Highly critical
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Impact:
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DoS
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: | Dr. Web 4.x
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| CVE reference: | CVE-2006-4438
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Description:
Jean-Sébastien Guay-Leroux has reported a vulnerability in Dr.Web, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the processing of LHA archives with a long directory name in the extended directory header. This can be exploited to cause a heap-based buffer overflow via a specially crafted LHA archive.
Successful exploitation crashes the service and may allow execution of arbitrary code.
The vulnerability has been reported in version 4.33. Other versions may also be affected.
Solution:
Update to version 4.33.5.10110.
Provided and/or discovered by:
Jean-Sébastien Guay-Leroux
Changelog:
2007-01-03: Added new updated version in "Solution" section and changed status from "Unpatched" to "Patched".
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About this Secunia Advisory
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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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