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Date: Tue, 25 Nov 2003 14:57:59 +0100
From: OpenPKG <>
Subject: [OpenPKG-SA-2003.049] OpenPKG Security Advisory (zebra)

Hash: SHA1


OpenPKG Security Advisory                            The OpenPKG Project                   
OpenPKG-SA-2003.049                                          25-Nov-2003

Package:             zebra
Vulnerability:       denial of service
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= zebra-0.93b-20031001     >= zebra-0.93b-20031113
OpenPKG 1.3          <= zebra-0.93b-1.3.0        >= zebra-0.93b-1.3.1
OpenPKG 1.2          <= zebra-0.93b-1.2.0        >= zebra-0.93b-1.2.1

Dependent Packages:  none

  Jonny Robertson reported [0] that Zebra can be remotely crashed if a
  remote attacker can connect to the Zebra telnet management ports. The
  Common Vulnerabilities and Exposures (CVE) project assigned the id
  CAN-2003-0795 [1] to the problem.

  Herbert Xu reported [2] that Zebra can accept spoofed messages sent
  on the kernel netlink interface by other users on the local machine.
  The Common Vulnerabilities and Exposures (CVE) project assigned the id
  CAN-2003-0858 [3] to the problem.

  Please check whether you are affected by running "<prefix>/bin/rpm -q
  zebra". If you have the "zebra" package installed and its version is
  affected (see above), we recommend that you immediately upgrade it
  (see Solution). [4][5]

  Select the updated source RPM appropriate for your OpenPKG release
  [6][7], fetch it from the OpenPKG FTP service [8][9] or a mirror
  location, verify its integrity [10], build a corresponding binary
  RPM from it [4] and update your OpenPKG installation by applying the
  binary RPM [5]. For the current release OpenPKG 1.3, perform the
  following operations to permanently fix the security problem (for
  other releases adjust accordingly).

  $ ftp
  ftp> bin
  ftp> cd release/1.3/UPD
  ftp> get zebra-0.93b-1.3.1.src.rpm
  ftp> bye
  $ <prefix>/bin/rpm -v --checksig zebra-0.93b-1.3.1.src.rpm
  $ <prefix>/bin/rpm --rebuild zebra-0.93b-1.3.1.src.rpm
  $ su -
  # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/zebra-0.93b-1.3.1.*.rpm


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

Comment: OpenPKG <>


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