Articles / Debian: New flexbackup pack…

Debian: New flexbackup packages fix denial of service

Eric Romang discovered that the flexbackup backup tool creates temporary files in an insecure manner, which allows denial of service through a symlink attack. Fixed packages are available from security.debian.org.
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Debian Security Advisory DSA 1216-1                    security@debian.org
http://www.debian.org/security/                         Moritz Muehlenhoff
November 20th, 2006                     http://www.debian.org/security/faq
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Package        : flexbackup
Vulnerability  : insecure temporary file
Problem-Type   : local
Debian-specific: no
CVE ID         : CVE-2006-4802
Debian Bug     : 334350

Eric Romang discovered that the flexbackup backup tool creates temporary
files in an insecure manner, which allows denial of service through a
symlink attack.

For the stable distribution (sarge) this problem has been fixed in
version 1.2.1-2sarge1

For the upcoming stable distribution (etch) this problem has been
fixed in version 1.2.1-3.

For the unstable distribution (sid) this problem has been fixed in
version 1.2.1-3.

We recommend that you upgrade your flexbackup 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 3.1 alias sarge
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/f/flexbackup/flexbackup_1.2.1-2sarge1.dsc
      Size/MD5 checksum:      587 06539319d0534272e216306562677723
    http://security.debian.org/pool/updates/main/f/flexbackup/flexbackup_1.2.1-2sarge1.diff.gz
      Size/MD5 checksum:     3546 3365f545bd49464f4e58bacc503f8b28
    http://security.debian.org/pool/updates/main/f/flexbackup/flexbackup_1.2.1.orig.tar.gz
      Size/MD5 checksum:    80158 4955c89dbee354248f354a9bf0a480dd

  Architecture independent components:

    http://security.debian.org/pool/updates/main/f/flexbackup/flexbackup_1.2.1-2sarge1_all.deb
      Size/MD5 checksum:    75836 240f8792a65a0d80b8ef85d4343a4827

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

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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@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/
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