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Debian Security Advisory DSA 875-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
October 27th, 2005                      http://www.debian.org/security/faq
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Package        : openssl094
Vulnerability  : cryptographic weakness
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2005-2969

Yutaka Oiwa discovered a vulnerability in the Open Secure Socket Layer
(OpenSSL) library that can allow an attacker to perform active
protocol-version rollback attacks that could lead to the use of the
weaker SSL 2.0 protocol even though both ends support SSL 3.0 or TLS
1.0.

The following matrix explains which version in which distribution has
this problem corrected.

                oldstable (woody)      stable (sarge)     unstable (sid)
openssl          0.9.6c-2.woody.8       0.9.7e-3sarge1      0.9.8-3
openssl 094      0.9.4-6.woody.4             n/a              n/a
openssl 095      0.9.5a-6.woody.6            n/a              n/a
openssl 096           n/a               0.9.6m-1sarge1        n/a
openssl 097           n/a                    n/a            0.9.7g-5

We recommend that you upgrade your libssl packages.


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 3.0 alias woody
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  Source archives:

    http://security.debian.org/pool/updates/main/o/openssl094/openssl094_0.9.4-6.woody.4.dsc
      Size/MD5 checksum:      624 2989b7b16a146a2f9a6ca52887bb2c3f
    http://security.debian.org/pool/updates/main/o/openssl094/openssl094_0.9.4-6.woody.4.diff.gz
      Size/MD5 checksum:    47116 a4db6a4e53d8f8703da86774768cb21c
    http://security.debian.org/pool/updates/main/o/openssl094/openssl094_0.9.4.orig.tar.gz
      Size/MD5 checksum:  1570392 72544daea16d6c99d656b95f77b01b2d

  Alpha architecture:

    http://security.debian.org/pool/updates/main/o/openssl094/libssl09_0.9.4-6.woody.4_alpha.deb
      Size/MD5 checksum:   445816 1eaa00c5cee084727d23a8169acdb705

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/o/openssl094/libssl09_0.9.4-6.woody.4_i386.deb
      Size/MD5 checksum:   358626 2d3f09ec2222ac497180a01facea470c

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/o/openssl094/libssl09_0.9.4-6.woody.4_powerpc.deb
      Size/MD5 checksum:   378870 58d0d41fa2005b5d05f49c557023c466


  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 <pkg>' and http://packages.debian.org/<pkg>

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