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PeerCast "HTTP::getAuthUserPass()" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA29962
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Release Date:
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2008-04-30
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Last Update:
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2008-05-06
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Popularity:
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3,258 views
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Critical:
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Highly 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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Unpatched
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| Software: | PeerCast 0.x
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Binary Analysis:
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BA470 :: Available for 1 Credit 
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| CVE reference: | CVE-2008-2040
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Description:
Nico Golde has reported a vulnerability in PeerCast, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a vulnerable system.
The vulnerability is caused due to a boundary error in "HTTP::getAuthUserPass()" when processing HTTP Basic authentication requests. This can be exploited to cause stack-based buffer overflows via an overly long HTTP Basic authentication string.
Successful exploitation may allow execution of arbitrary code, but requires that the authorization type is set to HTTP Basic.
The vulnerability is reported in version 0.1218. Other versions may also be affected.
Solution:
Restrict network access to trusted users only.
Provided and/or discovered by:
Nico Golde, Debian
Changelog:
2008-05-06: Added CVE reference.
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=478573
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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