bugtraq - [OpenPKG-SA-2005.001] OpenPKG Security Advisory (perl)

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Date: Tue, 11 Jan 2005 16:09:17 +0100
From: OpenPKG <openpkg@...npkg.org>
To: bugtraq@...urityfocus.com
Subject: [OpenPKG-SA-2005.001] OpenPKG Security Advisory (perl)

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________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security@...npkg.org                         openpkg@...npkg.org
OpenPKG-SA-2005.001                                          11-Jan-2005
________________________________________________________________________

Package:             perl
Vulnerability:       information disclosure, insecure permissions
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= perl-5.8.6-20041129      >= perl-5.8.6-20050111
OpenPKG 2.2          <= perl-5.8.5-2.2.0         >= perl-5.8.5-2.2.1
OpenPKG 2.1          <= perl-5.8.4-2.1.0         >= perl-5.8.4-2.1.1

Dependent Packages:  none

Description:
  Jeroen van Wolffelaar discovered that the rmtree() function in the
  Perl [0] File::Path module removes directory trees in an insecure
  manner which could lead to the removal of arbitrary files and
  directories through a symlink attack. The Common Vulnerabilities and
  Exposures (CVE) project assigned the id CAN-2004-0452 [1] to the
  problem.

  Trustix developers discovered several insecure uses of temporary files
  in many modules which allow a local attacker to overwrite files via a
  symlink attack. The Common Vulnerabilities and Exposures (CVE) project
  assigned the id CAN-2004-0976 [2] to the problem.

  Please check whether you are affected by running "<prefix>/bin/openpkg
  rpm -q perl". If you have the "perl" package installed and its version
  is affected (see above), we recommend that you immediately upgrade it
  (see Solution) [3][4].

Solution:
  Select the updated source RPM appropriate for your OpenPKG release
  [5][6], fetch it from the OpenPKG FTP service [7][8] or a mirror
  location, verify its integrity [9], build a corresponding binary RPM
  from it [3] and update your OpenPKG installation by applying the
  binary RPM [4]. For the most recent release OpenPKG 2.2, perform the
  following operations to permanently fix the security problem (for
  other releases adjust accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/2.2/UPD
  ftp> get perl-5.8.5-2.2.1.src.rpm
  ftp> bye
  $ <prefix>/bin/openpkg rpm -v --checksig perl-5.8.5-2.2.1.src.rpm
  $ <prefix>/bin/openpkg rpm --rebuild perl-5.8.5-2.2.1.src.rpm
  $ su -
  # <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/perl-5.8.5-2.2.1.*.rpm
________________________________________________________________________

References:
  [0] http://www.perl.com/
  [1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0452
  [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0976
  [3] http://www.openpkg.org/tutorial.html#regular-source
  [4] http://www.openpkg.org/tutorial.html#regular-binary
  [5] ftp://ftp.openpkg.org/release/2.2/UPD/perl-5.8.5-2.2.1.src.rpm
  [6] ftp://ftp.openpkg.org/release/2.1/UPD/perl-5.8.4-2.1.1.src.rpm
  [7] ftp://ftp.openpkg.org/release/2.2/UPD/
  [8] ftp://ftp.openpkg.org/release/2.1/UPD/
  [9] http://www.openpkg.org/security.html#signature
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@...npkg.org>" (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
________________________________________________________________________

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