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dproxy-nexgen "dns_decode_reverse_name" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA24688
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Release Date:
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2007-04-02
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Last Update:
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2007-04-12
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Popularity:
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4,331 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 local network
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Solution Status:
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Unpatched
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| Software: | dproxy-nexgen
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| CVE reference: | CVE-2007-1866
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Description:
mu-b has discovered a vulnerability in dproxy-nexgen, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the "dns_decode_reverse_name()" function in dns_decode.c and can be exploited to cause a stack based buffer overflow via a specially crafted packet sent to port 53.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in the latest available version (2007-04-02). Other versions may also be affected.
Solution:
Use the software only in a trusted network environment.
Provided and/or discovered by:
mu-b
Changelog:
2007-04-12: Added CVE reference.
Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/053289.html
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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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