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ClamAV UPX File Handling Buffer Overflow Vulnerability
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Secunia Advisory:
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SA18379
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Release Date:
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2006-01-10
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Last Update:
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2006-01-17
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Popularity:
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14,299 views
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Critical:
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Highly 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: | Clam AntiVirus (clamav) 0.x
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| CVE reference: | CVE-2006-0162
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Description:
A vulnerability has been reported in ClamAV, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in "libclamav/upx.c" when unpacking executable files compressed with UPX. This can be exploited to cause a heap-based buffer overflow and potentially allows arbitrary code execution via a specially-crafted UPX packed file.
The vulnerability has been reported in versions 0.80 through 0.87.1.
Solution:
Update to version 0.88.
http://www.clamav.net/stable.php#pagestart
Provided and/or discovered by:
Discovered by anonymous and reported via 3Com's Zero Day Initiative.
Changelog:
2006-01-13: Updated advisory with information from 3Com's Zero Day Initiative.
2006-01-17: Added link to US-CERT vulnerability note.
Original Advisory:
ClamAV:
http://www.clamav.net/doc/0.88/ChangeLog
3Com's Zero Day Initiative:
http://www.zerodayinitiative.com/advisories/ZDI-06-001.html
Other References:
US-CERT VU#385908:
http://www.kb.cert.org/vuls/id/385908
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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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