full-disclosure - [SECURITY] [DSA 1674-1] New jailer packages fix denial of service

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Message-ID: <20081130083323.GA4193@galadriel.inutil.org>
Date: Sun, 30 Nov 2008 09:33:23 +0100
From: Moritz Muehlenhoff <jmm@...ian.org>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 1674-1] New jailer packages fix
	denial of service

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1674-1                  security@...ian.org
http://www.debian.org/security/                       Moritz Muehlenhoff
November 30, 2008                     http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : jailer
Vulnerability  : insecure temp file generation
Debian-specific: no
CVE Id(s)      : CVE-2008-5139
Debian Bug     : 410548

Javier Fernandez-Sanguino Pena discovered that updatejail, a component
of the chroot maintenance tool Jailer, creates a predictable temporary
file name, which may lead to local denial of service through a symlink
attack.

For the stable distribution (etch), this problem has been fixed in
version 0.4-9+etch1.

For the upcoming stable distribution (lenny) and the unstable
distribution (sid), this problem has been fixed in version 0.4-10.

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

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

Source archives:

  http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1.diff.gz
    Size/MD5 checksum:    27372 403ad34e153f4dbc14621b2bca464487
  http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4.orig.tar.gz
    Size/MD5 checksum:    27920 a6bead6286022c54e73bfe1f51e5e5f3
  http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1.dsc
    Size/MD5 checksum:      599 2a59c032c5da19b3443c0bd5c573a6e6

Architecture independent packages:

  http://security.debian.org/pool/updates/main/j/jailer/jailer_0.4-9+etch1_all.deb
    Size/MD5 checksum:    11688 8e042e660665df9b8657399ec3845cc8

  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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