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[CLA-2002:513] Conectiva Linux Security Announcement - openssl


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Date: Wed, 31 Jul 2002 11:54:55 -0300
From: [email protected]
To: [email protected], [email protected],
Subject: [CLA-2002:513] Conectiva Linux Security Announcement - openssl

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- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : openssl
SUMMARY   : Several vulnerabilities
DATE      : 2002-07-31 11:54:00
ID        : CLA-2002:513
RELEVANT
RELEASES  : 6.0, 7.0, 8

- -------------------------------------------------------------------------

DESCRIPTION
 OpenSSL implements the Secure Sockets Layer (SSL v2/v3) and Transport
 Layer Security (TLS v1) protocols as well as full-strength general
 purpose cryptography functions. It's used (as a library) by several
 projects, like Apache, OpenSSH, Bind, OpenLDAP and many others
 clients and servers programs.
 
 While conducting a security review of OpenSSL under the DARPA CHATS
 program[1], A.L Digital and The Bunker found some buffer overflow
 vulnerabilities in OpenSSL prior to (and including) versions 0.9.6e
 and 0.9.7-beta2 (development).
 
 Neophasis consultants indenpendently discovered one of these buffer
 overflows and demonstrated that it was exploitable, although the
 exploit is not released at this time.
 
 The Common Vulnerabilities and Exposures project (cve.mitre.org) has
 assigned the names CAN-2002-0655, CAN-2002-0656 and CAN-2002-0657 to
 these issues.
 
 Adi Stav <[email protected]> and James Yonan <[email protected]>
 independently found another vulnerability which affects the ASN.1
 parser.
 
 This update fix these vulnerabilites and also adds various sanity
 checks to avoid potential buffer overflows.
 
 A complete advisory provided by the OpenSSL team is available[2] in
 their website.


SOLUTION
 All openssl users should upgrade.
 
 Please notice that in order to complete the upgrade process, you must
 restart all running aplications that are linked to openssl libraries
 after the new packages are installed. You can see a list of such
 applications using the lsof utility, as seen below:
 
 # lsof | egrep '(libcrypto|libssl)'
 
 Services (like apache and openssh daemons) can be restarted using the
 "service" command. For example:
 
 # service httpd restart
 # service openssh restart
 
 
 REFERENCES:
 1.http://www.darpa.mil/ito/research/chats
 2.http://www.openssl.org/news/secadv_20020730.txt
 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0655
 4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0656
 5.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0657


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/openssl-0.9.6-4U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/openssl-devel-0.9.6-4U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/openssl-0.9.6-4U60_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/openssl-0.9.6a-3U70_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/openssl-devel-0.9.6a-3U70_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/openssl-devel-static-0.9.6a-3U70_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/openssl-doc-0.9.6a-3U70_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/openssl-progs-0.9.6a-3U70_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/openssl-0.9.6a-3U70_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/openssl-0.9.6c-2U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/openssl-devel-0.9.6c-2U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/openssl-devel-static-0.9.6c-2U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/openssl-doc-0.9.6c-2U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/openssl-progs-0.9.6c-2U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/openssl-0.9.6c-2U8_1cl.src.rpm


ADDITIONAL INSTRUCTIONS
 Users of Conectiva Linux version 6.0 or higher may use apt to perform 
 upgrades of RPM packages:
 - add the following line to /etc/apt/sources.list if it is not there yet
   (you may also use linuxconf to do this):

 rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates

(replace 6.0 with the correct version number if you are not running CL6.0)

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en


- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
subscribe: [email protected]
unsubscribe: [email protected]
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