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Date: Tue, 6 Jan 2004 17:11:03 -0800
From: Matt Zimmerman <mdz@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 415-1] New zebra packages fix denial of service


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 415-1                     security@...ian.org
http://www.debian.org/security/                             Matt Zimmerman
January 6th, 2004                       http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : zebra
Vulnerability  : denial of service
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2003-0795 CAN-2003-0858

Two vulnerabilities were discovered in zebra, an IP routing daemon:

CAN-2003-0795 - a bug in the telnet CLI could allow a remote attacker
to cause a zebra process to crash, resulting in a denial of service.

CAN-2003-0858 - netlink messages sent by other users (rather than the
kernel) would be accepted, leading to a denial of service.

For the current stable distribution (woody) this problem has been
fixed in version 0.92a-5woody2.

The zebra package has been obsoleted in the unstable distribution by
GNU Quagga, where this problem was fixed in version 0.96.4x-4.

We recommend that you update your zebra package.

Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2.dsc
      Size/MD5 checksum:      652 ba49d8a945be8d96c5a57c21258e89d8
    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2.diff.gz
      Size/MD5 checksum:    58156 bfb0f266ecc1c11f61d137352eac7d18
    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a.orig.tar.gz
      Size/MD5 checksum:  1155814 d6725243ec245b77eb24b3ba7c0bf65c

  Architecture independent components:

    http://security.debian.org/pool/updates/main/z/zebra/zebra-doc_0.92a-5woody2_all.deb
      Size/MD5 checksum:   270884 5fada3f95bf6e93ac2fe794b7fa8acd9

  Alpha architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_alpha.deb
      Size/MD5 checksum:  1043754 72d2a900c962ed8aea065c9595f320e3

  ARM architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_arm.deb
      Size/MD5 checksum:   795738 5cb5570d9308ec0270ec721066bc9a1a

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_i386.deb
      Size/MD5 checksum:   746052 a24510c14cd5eff64df2a360be860da0

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_ia64.deb
      Size/MD5 checksum:  1301076 3f15410f621a926dc9ce794bbde4fa2d

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_hppa.deb
      Size/MD5 checksum:   988824 7bf8c648d68d018d278d20ae733c527e

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_m68k.deb
      Size/MD5 checksum:   679522 36cae2287e2df1b7f00d7d4bf742355c

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_mips.deb
      Size/MD5 checksum:  1034258 a2e63c5ca1c9a30767f8ea799b0e0b1a

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_mipsel.deb
      Size/MD5 checksum:  1032926 6b595928dce4c80eef44838b4ecb956f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_powerpc.deb
      Size/MD5 checksum:   802570 06eb933a77f1882abaad84f91da015c9

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_s390.deb
      Size/MD5 checksum:   769024 8607493ba453ce4561ffa9dc215e7291

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/z/zebra/zebra_0.92a-5woody2_sparc.deb
      Size/MD5 checksum:   786378 09d61898b15b1a2fe26e173f09622789

  These files will probably be moved into the stable distribution on
  its next revision.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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