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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2010:079
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : irssi
 Date    : April 17, 2010
 Affected: 2009.1, 2010.0
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been found and corrected in irssi:
 
 Irssi before 0.8.15, when SSL is used, does not verify that the server
 hostname matches a domain name in the subject's Common Name (CN)
 field or a Subject Alternative Name field of the X.509 certificate,
 which allows man-in-the-middle attackers to spoof IRC servers via an
 arbitrary certificate (CVE-2010-1155).
 
 core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause
 a denial of service (NULL pointer dereference and application crash)
 via vectors related to an attempted fuzzy nick match at the instant
 that a victim leaves a channel (CVE-2010-1156).
 
 Additionally the updated packages disables the SSLv2 protocol and
 enables the SSLv3 and TLSv1 protocols for added security.
 
 The updated packages have been patched to correct these issues.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1155
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1156
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2009.1:
 2802d8016fc0ddf509ff5f0b25ce49a9  2009.1/i586/irssi-0.8.12-4.2mdv2009.1.i586.rpm
 57fe3c0dffa87057460512c440f9608e  2009.1/i586/irssi-devel-0.8.12-4.2mdv2009.1.i586.rpm
 1413761bae45dbc553c4548a8f953bb2  2009.1/i586/irssi-perl-0.8.12-4.2mdv2009.1.i586.rpm 
 e8935ebfb35067eeacfa68f537e196cd  2009.1/SRPMS/irssi-0.8.12-4.2mdv2009.1.src.rpm

 Mandriva Linux 2009.1/X86_64:
 6e5a7cbf3c2d6bd4537b824d42686a19  2009.1/x86_64/irssi-0.8.12-4.2mdv2009.1.x86_64.rpm
 27eaa99fc7f677cd9489f0db10ca4e65  2009.1/x86_64/irssi-devel-0.8.12-4.2mdv2009.1.x86_64.rpm
 00f29761285d389e9eefc6c794d3393d  2009.1/x86_64/irssi-perl-0.8.12-4.2mdv2009.1.x86_64.rpm 
 e8935ebfb35067eeacfa68f537e196cd  2009.1/SRPMS/irssi-0.8.12-4.2mdv2009.1.src.rpm

 Mandriva Linux 2010.0:
 4cc7b233a0e60d38b38db43425fc5acf  2010.0/i586/irssi-0.8.14-2.1mdv2010.0.i586.rpm
 8fe05e3c26ee673f87a41fa8051e4e0c  2010.0/i586/irssi-devel-0.8.14-2.1mdv2010.0.i586.rpm
 b94e75d49d5c0cab2947bc14cad1a852  2010.0/i586/irssi-perl-0.8.14-2.1mdv2010.0.i586.rpm 
 9a46d9ad0e989801e4ac525c6474734e  2010.0/SRPMS/irssi-0.8.14-2.1mdv2010.0.src.rpm

 Mandriva Linux 2010.0/X86_64:
 93551e5dd93d8fc7cf78af2b96ce1bdd  2010.0/x86_64/irssi-0.8.14-2.1mdv2010.0.x86_64.rpm
 5952f084cdd91d6d2cfdc2f69a0189ae  2010.0/x86_64/irssi-devel-0.8.14-2.1mdv2010.0.x86_64.rpm
 2fa6ad593c670fa410699fdfd4552e1a  2010.0/x86_64/irssi-perl-0.8.14-2.1mdv2010.0.x86_64.rpm 
 9a46d9ad0e989801e4ac525c6474734e  2010.0/SRPMS/irssi-0.8.14-2.1mdv2010.0.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/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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