DSA 996-1: New Crypt::CBC packages fix cryptographic weakness
Posted on: 03/13/2006 01:32 PM

The Debian Security Team published a new security update for Debian GNU/Linux. Here the announcement:

Hash: SHA1

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Debian Security Advisory DSA 996-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
March 13th, 2006 http://www.debian.org/security/faq
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Package : libcrypt-cbc-perl
Vulnerability : programming error
Problem type : remote
Debian-specific: no
CVE ID : CVE-2006-0898

Lincoln Stein discovered that the Perl Crypt::CBC module produces weak
ciphertext when used with block encryption algorithms with blocksize gt;
8 bytes.

The old stable distribution (woody) does not contain a Crypt::CBC module.

For the stable distribution (sarge) this problem has been fixed in
version 2.12-1sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 2.17-1.

We recommend that you upgrade your libcrypt-cbc-perl package.

Upgrade Instructions
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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
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Source archives:

Size/MD5 checksum: 631 a30dd4cde44e3a484b28ad8fc1b67e38
Size/MD5 checksum: 4165 8bb65642884ea281f83026f2d98c6146
Size/MD5 checksum: 11036 27842b8ab627681b4a322610ea6184b5

Architecture independent components:

Size/MD5 checksum: 18162 d625af2e10974eaafb007d538a90ebad

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 lt;pkggt;' and http://packages.debian.org/lt;pkggt;

Version: GnuPG v1.4.2.2 (GNU/Linux)


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