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Libxml2 UTF-8 Parsing Denial of Service Vulnerability
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Secunia Advisory:
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SA28444
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Release Date:
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2008-01-11
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Popularity:
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6,126 views
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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: | Libxml2 2.x
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| CVE reference: | CVE-2007-6284
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Description:
A vulnerability has been reported in Libxml2, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an unspecified error within the "xmlCurrentChar()" function. This can be exploited to trigger the execution of an infinite loop via specially crafted UTF-8 sequences.
The vulnerability is reported in versions prior to 2.6.31.
Solution:
Update to version 2.6.31 or apply patch.
http://veillard.com/libxml2.patch
Provided and/or discovered by:
The vendor credits Brad Fitzpatrick from Google.
Original Advisory:
http://mail.gnome.org/archives/xml/2008-January/msg00036.html
Other References:
https://bugzilla.redhat.com/show_bug.cgi?id=425927
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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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