bugtraq - [SECURITY] [DSA 1566-1] New cpio packages fix denial of service

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Message-ID: <20080502150029.GA17466@steve.org.uk>
Date: Fri, 2 May 2008 16:00:29 +0100
From: Steve Kemp <skx@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 1566-1] New cpio packages fix denial of service

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1566-1                  security@...ian.org
http://www.debian.org/security/                               Steve Kemp
May 02, 2008                          http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : cpio
Vulnerability  : programming error
Problem type   : local (remote)
Debian-specific: no
CVE Id(s)      : CVE-2007-4476

Dmitry Levin discovered a vulnerability in path handling code used by
the cpio archive utility.  The weakness could enable a denial of
service (crash) or potentially the execution of arbitrary code if a
vulnerable version of cpio is used to extract or to list the contents
of a maliciously crafted archive.

For the stable distribution (etch), these problems have been fixed in
version 2.6-18.1+etch1.

For the unstable distribution (sid), these problems have been fixed in
version 2.9-5.

We recommend that you upgrade your cpio 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 4.0 alias etch
- -------------------------------

Source archives:

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6.orig.tar.gz
    Size/MD5 checksum:   556018 76b4145f33df088a5bade3bf4373d17d
  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1.dsc
    Size/MD5 checksum:      556 fdcfe9fa17130663f3fcb21aebb52924
  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1.diff.gz
    Size/MD5 checksum:    92775 78d1098c15d92c0d5bfe6c5dcc4e5652

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_alpha.deb
    Size/MD5 checksum:   146740 167eeae5237940f15b9eea7b1f754b65

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_amd64.deb
    Size/MD5 checksum:   136734 f827f70099b66a518fbd3e6782e7909b

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_arm.deb
    Size/MD5 checksum:   132108 b4ecfb2b81f84d1f82c268c0ccb0081d

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_hppa.deb
    Size/MD5 checksum:   143166 b7ca87731e442f3eaaf117113bfc941a

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_i386.deb
    Size/MD5 checksum:   132096 c490f550663e524725544d389546e56f

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_ia64.deb
    Size/MD5 checksum:   171990 be7ca34414f4bfa4129379c9eea3473f

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_mips.deb
    Size/MD5 checksum:   146084 f57b7e09e1705692427220cd1932ea1a

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_mipsel.deb
    Size/MD5 checksum:   145348 2010baf76d3039417c6b6bca1eba1246

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_powerpc.deb
    Size/MD5 checksum:   138322 229edae58b3b4387dcfdcf8717932cb4

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_s390.deb
    Size/MD5 checksum:   143878 60c6e036d5df8c67e74f301fa14b4e9f

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/c/cpio/cpio_2.6-18.1+etch1_sparc.deb
    Size/MD5 checksum:   131248 63a51ec9ac633327f21d27c616d604ba


  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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