full-disclosure - [SECURITY] [DSA 1223-1] New tar packages fix arbitrary file overwrite

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Message-Id: <E1GqBDH-0006tT-Bg@klecker.debian.org>
Date: Fri, 01 Dec 2006 17:26:11 +0100
From: Noah Meyerhans <noahm@...ian.org>
To: Debian-security-announce <debian-security-announce@...ts.debian.org>
Subject: [SECURITY] [DSA 1223-1] New tar packages fix
	arbitrary file overwrite

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1223-1                  security@...ian.org
http://www.debian.org/security/                           Noah Meyerhans
December 01, 2006
- ------------------------------------------------------------------------

Package        : tar
Vulnerability  : input validation error
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2006-6097
BugTraq ID     : 21235
Debian Bug     : 399845

Teemu Salmela discovered a vulnerability in GNU tar that could allow a
malicious user to overwrite arbitrary files by inducing the victim to
attempt to extract a specially crafted tar file containing a
GNUTYPE_NAMES record with a symbolic link.

For the stable distribution (sarge), this problem has been fixed in
version 1.14-2.3

For the unstable distribution (sid) and the forthcoming stable release
(etch), this problem will be fixed in version 1.16-2.

We recommend that you upgrade your tar 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 3.1 (stable)
- -------------------

Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14.orig.tar.gz
    Size/MD5 checksum:  1485633 3094544702b1affa32d969f0b6459663
  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.diff.gz
    Size/MD5 checksum:    51004 d6513454cbe12eec5908c2b41253f843
  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3.dsc
    Size/MD5 checksum:      554 85503d4264d7b39c7969051c3661fa96

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_alpha.deb
    Size/MD5 checksum:   520736 4b14a87c6e8b4dda327d802eddcf9af7

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_amd64.deb
    Size/MD5 checksum:   503902 98a8169210eb273252a7997c726c4333

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_arm.deb
    Size/MD5 checksum:   500266 49ef1817d4ee1753f66bd37be8f91455

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_hppa.deb
    Size/MD5 checksum:   517810 5f48745a747ee36c330d97f3bc5cc980

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_i386.deb
    Size/MD5 checksum:   499560 c764b0894f6c3317a78124177cfed9fe

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_ia64.deb
    Size/MD5 checksum:   543432 0dc8b4d66a82d05d7b68f2dbee960791

m68k architecture (Motorola Mc680x0)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_m68k.deb
    Size/MD5 checksum:   489058 381e468152e0a5a37113f412f13d85a7

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mips.deb
    Size/MD5 checksum:   520512 29bc4c6133bfeb259175fea45277a647

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_mipsel.deb
    Size/MD5 checksum:   520258 ed3b0aadf8720c97a1df6334a90efe3c

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_powerpc.deb
    Size/MD5 checksum:   506908 3a57a912dc159ee20d47ca1591a68619

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_s390.deb
    Size/MD5 checksum:   511972 79cb92aaeee839c2d82efe743a8cea59

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/t/tar/tar_1.14-2.3_sparc.deb
    Size/MD5 checksum:   499698 d260b9f5db00b12414d6136c63e37202


  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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