full-disclosure - [SECURITY] [DSA 1269-1] New lookup-el packages fix insecure temporary file

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Message-Id: <20070318173756.A37E7100E1@finlandia.home.infodrom.org>
Date: Sun, 18 Mar 2007 18:37:56 +0100 (CET)
From: joey@...odrom.org (Martin Schulze)
To: debian-security-announce@...ts.debian.org (Debian Security Announcements)
Subject: [SECURITY] [DSA 1269-1] New lookup-el packages
	fix insecure temporary file

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- --------------------------------------------------------------------------
Debian Security Advisory DSA 1269-1                    security@...ian.org
http://www.debian.org/security/                             Martin Schulze
March 18th, 2007                        http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : lookup-el
Vulnerability  : insecure temporary file
Problem type   : local
Debian-specific: no
CVE ID         : CVE-2007-0237

Tatsuya Kinoshita discovered that Lookup, a search interface to
electronic dictionaries on emacsen, creates a temporary file in an
insecure fashion when the ndeb-binary feature is used, which allows a
local attacker to craft a symlink attack to overwrite arbitrary files.

For the stable distribution (sarge) this problem has been fixed in
version 1.4-3sarge1.

For the testing distribution (etch) this problem has been fixed in
version 1.4-5.

For the unstable distribution (sid) this problem has been fixed in
version 1.4-5.

We recommend that you upgrade your lookup-el 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 at the end of this advisory:

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 3.1 alias sarge
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/l/lookup-el/lookup-el_1.4-3sarge1.dsc
      Size/MD5 checksum:      585 2daf45b112f1b688658faf610308962e
    http://security.debian.org/pool/updates/main/l/lookup-el/lookup-el_1.4-3sarge1.diff.gz
      Size/MD5 checksum:     7115 f27e58e4ea0df6b08e808624a8fcb4e2
    http://security.debian.org/pool/updates/main/l/lookup-el/lookup-el_1.4.orig.tar.gz
      Size/MD5 checksum:   349751 05d12aa8921969b449a6f2a47bb00247

  Architecture independent components:

    http://security.debian.org/pool/updates/main/l/lookup-el/lookup-el_1.4-3sarge1_all.deb
      Size/MD5 checksum:   228002 30c9393256c1029e3742892e3bc16a6f

  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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