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[OpenPKG-SA-2006.035] OpenPKG Security Advisory (proftpd)

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OpenPKG Security Advisory                                   OpenPKG GmbH
http://openpkg.org/security/                          http://openpkg.com
OpenPKG-SA-2006.035                                           2006-11-16
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Package:          proftpd
Vulnerability:    denial of service
OpenPKG Specific: no

Affected Series:  Affected Packages:          Corrected Packages:
E1.0-SOLID        <= proftpd-1.3.0-E1.0.0     >= proftpd-1.3.0-E1.0.1
2-STABLE-20061018 <= proftpd-1.3.0-2.20061024 >= proftpd-1.3.0-2.20061116
2-STABLE          <= proftpd-1.3.0-2.20061024 >= proftpd-1.3.0-2.20061116
CURRENT           <= proftpd-1.3.0-20061024   >= proftpd-1.3.0-20061116

Description:
  As undisclosed by an exploit (vd_proftpd.pm) and a related vendor
  bugfix [0], a Denial of Sevice (DoS) vulnerability exists in the FTP
  server ProFTPD [1], up to and including version 1.3.0. The flaw is
  due to both a potential bus error and a definitive buffer overflow
  in the code which determines the FTP command buffer size limit.
  The vulnerability can be exploited only if the "CommandBufferSize"
  directive is explicitly used in the server configuration -- which
  is not the case in OpenPKG's default configuration of ProFTPD. The
  Common Vulnerabilities and Exposures (CVE) project assigned the id
  CVE-2006-5815 [2] to the problem.
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References:
  [0] 
http://proftp.cvs.sourceforge.net/proftp/proftpd/src/main.c?r1=1.292&r2=1.293
  [1] http://www.proftpd.org/
  [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5815
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For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@xxxxxxxxxxx>" (ID 63C4CB9F) which
you can retrieve from http://openpkg.org/openpkg.org.pgp. Follow the
instructions on http://openpkg.org/security/signatures/ for details on
how to verify the integrity of this advisory.
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