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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

The Public Beta has ended. Thanks to all that participated.

Learn more:
http://secunia.com/network_software_inspector_2/

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TITLE:
PeerCast "HTTP::getAuthUserPass()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA29962

VERIFY ADVISORY:
http://secunia.com/advisories/29962/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

REVISION:
1.1 originally posted 2008-04-30

SOFTWARE:
PeerCast 0.x
http://secunia.com/product/5170/

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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