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Mandriva: 2014:123: tor Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Mandrake Updated tor packages fix multiple vulnerabilities: Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge platforms, does not properly generate random numbers for relay identity [More...]
 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2014:123
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : tor
 Date    : June 11, 2014
 Affected: Business Server 1.0
 _______________________________________________________________________

 Problem Description:

 Updated tor packages fix multiple vulnerabilities:
 
 Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with
 a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge
 platforms, does not properly generate random numbers for relay identity
 keys and hidden-service identity keys, which might make it easier
 for remote attackers to bypass cryptographic protection mechanisms
 via unspecified vectors (CVE-2013-7295).
 
 Update to version 0.2.4.22 solves these major and security problems:
 
 - Block authority signing keys that were used on authorities vulnerable
 to the heartbleed bug in OpenSSL (CVE-2014-0160).
 
 - Fix a memory leak that could occur if a microdescriptor parse fails
 during the tokenizing step.
 
 - The relay ciphersuite list is now generated automatically based on
 uniform criteria, and includes all OpenSSL ciphersuites with acceptable
 strength and forward secrecy.
 
 - Relays now trust themselves to have a better view than clients of
 which TLS ciphersuites are better than others.
 
 - Clients now try to advertise the same list of ciphersuites as
 Firefox 28.
 
 For other changes see the upstream change log
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7295
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0160
 http://advisories.mageia.org/MGASA-2014-0059.html
 http://advisories.mageia.org/MGASA-2014-0256.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 1/X86_64:
 77035fd2ff3c6df5effbaf9ee78bdaf4  mbs1/x86_64/tor-0.2.4.22-1.mbs1.x86_64.rpm 
 cccaec1a8425ebfce0bb7d8057d38d6e  mbs1/SRPMS/tor-0.2.4.22-1.mbs1.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/en/support/security/advisories/

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________
 
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