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zlib "inftrees.c" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA15949
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Release Date:
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2005-07-07
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Last Update:
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2005-08-22
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Popularity:
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32,806 views
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Critical:
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Moderately 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: | zlib 1.x
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| CVE reference: | CVE-2005-2096
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Description:
A vulnerability has been reported in zlib, which can be exploited by malicious people to conduct a DoS (Denial of Service) against a vulnerable application or potentially execute arbitrary code.
The vulnerability is caused due to a boundary error in inftrees.c when handling corrupted compressed data streams. This can be exploited to crash any application that uses the zlib library, or potentially to execute arbitrary code with privileges of the vulnerable application.
The vulnerability has been reported in version 1.2.2. Prior versions may also be affected.
Solution:
Update to version 1.2.3.
Provided and/or discovered by:
Tavis Ormandy, Gentoo Linux Security Audit Team.
Changelog:
2005-07-13: Added link to US-CERT vulnerability note.
2005-07-22: Vendor issues fixed version. Updated "Solution" section.
2005-08-22: Updated advisory.
Original Advisory:
Gentoo:
http://www.gentoo.org/security/en/glsa/glsa-200507-05.xml
Other References:
US-CERT VU#680620:
http://www.kb.cert.org/vuls/id/680620
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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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