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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0856 -- Debian Security Advisory DSA 875-1 New OpenSSL packages fix cryptographic weakness 28 October 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openssl Publisher: Debian Operating System: Debian GNU/Linux 3.1 Debian GNU/Linux 3.0 Impact: Reduced Security Access Confidential Data Access: Remote/Unauthenticated CVE Names: CVE-2005-2969 Ref: ESB-2005.0801 Original Bulletin: http://www.debian.org/security/2005/dsa-875 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- 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 - - -------------------------------------------------------------------------- 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 - - -------------------------------- 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. - - --------------------------------------------------------------------------------- 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> - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) iD8DBQFDYJZpW5ql+IAeqTIRAu8zAKCZKeTsbp18kD+6dpno+xAvlT0D6gCguh3H DQcg5cxf+sHJbhk4pT5uzBg= =znal - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQ2GIFyh9+71yA2DNAQKKiwP9FCAaVAaEBGmz2/A86QOlk6MLAVTDcIK7 ytfKMbzsHxQJpv/8keeLruYFvEwXdVwwDAqKR0f5sraFzSI8VAGIRmmAyButh6xa q4xn8zBSlKInEbs+KP7zLMgOgcLECOEwY7sJNnjRTWmRj+snlNT4ajhjz2d+g5bE y/RthS/77co= =TjCB -----END PGP SIGNATURE-----