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Libxml2 Multiple Buffer Overflows
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Secunia Advisory:
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SA13000
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Release Date:
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2004-10-28
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Last Update:
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2004-11-01
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Popularity:
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10,616 views
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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: | Libxml2 2.x
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| CVE reference: | CVE-2004-0989
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Description:
infamous41md has reported a vulnerability in Libxml2, which potentially can be exploited by malicious people to compromise a vulnerable system.
1) The vulnerability is caused by a boundary error in the parsing of URLs with ftp information because user supplied data is copied into a fixed size buffer. This can potentially be exploited by malicious people by sending malicious XML documents to applications using the vulnerable part of the Libxml2 code.
2) The vulnerability is caused by a boundary error in the parsing of proxy URLs with ftp information because user supplied data is copied into a fixed size buffer. This can potentially be exploited by malicious people by sending malicious XML documents to applications using the vulnerable part of the Libxml2 code.
3) The vulnerability is caused by various boundary errors in the handling of DNS replies. This can potentially be exploited by malicious people by sending malicious DNS replies to applications using the vulnerable part of the Libxml2 code.
These vulnerabilities has been reported in libxml2-2.6.13 and libxml2-2.6.12. Other versions may also be vulnerable.
Solution:
Update to version 2.6.15.
http://www.xmlsoft.org/downloads.html
Provided and/or discovered by:
infamous41md
Changelog:
2004-11-01: Updated "Solution" section.
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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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