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OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security@openpkg.org                         openpkg@openpkg.org
OpenPKG-SA-2003.030                                          03-Jun-2003
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Package:           ghostscript
Vulnerability:     execute arbitrary commands
OpenPKG Specific:  no

Affected Releases: Affected Packages:           Corrected Packages:
OpenPKG CURRENT    <= ghostscript-7.04-20021013 >= ghostscript-8.00-20021122
OpenPKG 1.2        none                         N.A.
OpenPKG 1.1        <= ghostscript-7.04-1.1.0    >= ghostscript-7.04-1.1.1

Dependent Packages:  none

Description:
  According to a Red Hat security advisory [0], a flaw in versions of
  Ghostscript [1] before 7.07 allows malicious Postscript files to
  execute arbitrary commands even with command line option -dSAFER
  enabled. The Common Vulnerabilities and Exposures (CVE) project
  assigned the id CAN-2003-0354 [2] to the problem.

  Please check whether you are affected by running "<prefix>/bin/rpm -q
  ghostscript". If you have the "ghostscript" 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], fetch it from the OpenPKG FTP service [6] or a mirror location,
  verify its integrity [7], build a corresponding binary RPM from it [3]
  and update your OpenPKG installation by applying the binary RPM [4].
  For the affected release OpenPKG 1.1, perform the following operations
  to permanently fix the security problem (for other releases adjust
  accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/1.1/UPD
  ftp> get ghostscript-7.04-1.1.1.src.rpm
  ftp> bye
  $ <prefix>/bin/rpm -v --checksig ghostscript-7.04-1.1.1.src.rpm
  $ <prefix>/bin/rpm --rebuild ghostscript-7.04-1.1.1.src.rpm
  $ su -
  # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/ghostscript-7.04-1.1.1.*.rpm
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References:
  [0]  http://rhn.redhat.com/errata/RHSA-2003-181.html
  [1]  http://www.ghostscript.com/
  [2]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0354
  [3]  http://www.openpkg.org/tutorial.html#regular-source
  [4]  http://www.openpkg.org/tutorial.html#regular-binary
  [5]  ftp://ftp.openpkg.org/release/1.1/UPD/ghostscript-7.04-1.1.1.src.rpm
  [6]  ftp://ftp.openpkg.org/release/1.1/UPD/
  [7]  http://www.openpkg.org/security.html#signature
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For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@openpkg.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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