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ClamAV Multiple Vulnerabilities
Secunia Advisory: SA25244
Release Date: 2007-05-11
Last Update: 2007-06-12
Popularity: 12,413 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Clam AntiVirus (clamav) 0.x
ClamWin Free Antivirus 0.x
ClamXav 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in ClamAV, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An error exists within the OLE2 parser when handling objects with malformed FAT partitions and large property sizes. This can be exploited to cause a DoS due to storage and CPU resource consumption by scanning a specially crafted OLE2 file.

2) An error in the processing of RAR files can be exploited to crash the process via a specially crafted RAR file.

3) A boundary error exists within the file /libclamav/unsp.c, which can be exploited to crash the process via a specially crafted NsPacked file.

4) An incorrect regular expression in libclamav/phishcheck.c can be exploited to cause a DoS by consuming all available CPU resources via a specially crafted file.

Successful exploitation may depend upon the regular expression implementation used.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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