bugtraq - [SECURITY] [DSA 558-1] New libapache-mod-dav packages fix potential denial of service

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Message-ID: <m1CF6IE-000omgC__45797.6946061992$1097107245$gmane$org@finlandia.Infodrom.North.DE>
Date: Wed, 6 Oct 2004 09:32:58 +0200 (CEST)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 558-1] New libapache-mod-dav packages fix potential denial of service


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 558-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
October 6th, 2004                       http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : libapache-mod-dav
Vulnerability  : null pointer dereference
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0809

Julian Reschke reported a problem in mod_dav of Apache 2 in connection
with a NULL pointer dereference.  When running in a threaded model,
especially with Apache 2, a segmentation fault can take out a whole
process and hence create a denial of service for the whole server.

For the stable distribution (woody) this problem has been fixed in
version 1.0.3-3.1.

For the unstable distribution (sid) this problem has been fixed in
version 1.0.3-10 of libapache-mod-dav and in version 2.0.51-1 of
Apache 2.

We recommend that you upgrade your mod_dav packages.


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/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1.dsc
      Size/MD5 checksum:      645 5b405cd8fe0471edd793343ef8237b26
    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1.diff.gz
      Size/MD5 checksum:     4523 94edc74f33414e93af4ca7fa849b3fb3
    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3.orig.tar.gz
      Size/MD5 checksum:   185284 ba83f2aa6e13b216a11d465b82aab484

  Alpha architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_alpha.deb
      Size/MD5 checksum:    96522 7e5d5d2184629de6be880eb0650d7fd1

  ARM architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_arm.deb
      Size/MD5 checksum:    81860 fbe2d647e0037436d710ee857c947a52

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_i386.deb
      Size/MD5 checksum:    80122 dfaab95268192557f711ab9fbd7f9f9b

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_ia64.deb
      Size/MD5 checksum:   116596 bb369037b3d2ee0110c15d0b085a410b

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_hppa.deb
      Size/MD5 checksum:    90406 fc707743732c491c29bfdb21d469736f

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_m68k.deb
      Size/MD5 checksum:    80030 1b434a6598c06e23f3bb253867f59ae5

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_mips.deb
      Size/MD5 checksum:    84944 a422f253d772ca1c2dae84bac0bb79ea

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_mipsel.deb
      Size/MD5 checksum:    85094 4cf00ccacd87e2295af6618987950e13

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_powerpc.deb
      Size/MD5 checksum:    84516 853b2929e7f371e79f153f6c57414a1f

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_s390.deb
      Size/MD5 checksum:    82424 7f092c974abfe792278c925bdd345775

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/liba/libapache-mod-dav/libapache-mod-dav_1.0.3-3.1_sparc.deb
      Size/MD5 checksum:    92438 77bdcf29501a581a1cb768af644c923b


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

- ---------------------------------------------------------------------------------
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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