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 Mandriva Linux Security Advisory                         MDVSA-2014:229
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : libvncserver
 Date    : November 26, 2014
 Affected: Business Server 1.0
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 Problem Description:

 Updated libvncserver packages fix security vulnerabilities:
 
 A malicious VNC server can trigger incorrect memory management handling
 by advertising a large screen size parameter to the VNC client. This
 would result in multiple memory corruptions and could allow remote
 code execution on the VNC client (CVE-2014-6051, CVE-2014-6052).
 
 A malicious VNC client can trigger multiple DoS conditions on the VNC
 server by advertising a large screen size, ClientCutText message length
 and/or a zero scaling factor parameter (CVE-2014-6053, CVE-2014-6054).
 
 A malicious VNC client can trigger multiple stack-based buffer
 overflows by passing a long file and directory names and/or
 attributes (FileTime) when using the file transfer message feature
 (CVE-2014-6055).
 
 Additionally libvncserver has been built against the new system
 minilzo library which is also being provided with this advisory.
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 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6051
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6052
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6053
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6054
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6055
 http://advisories.mageia.org/MGASA-2014-0397.html
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 Updated Packages:

 Mandriva Business Server 1/X86_64:
 4d938f964a86df6c1fb2aad9342db1e3  mbs1/x86_64/lib64lzo2_2-2.08-1.1.mbs1.x86_64.rpm
 676ed246f1587fb815620e42a2e64e9a  mbs1/x86_64/lib64lzo-devel-2.08-1.1.mbs1.x86_64.rpm
 d04fc1fb9b16142be0111f5efb276967  mbs1/x86_64/lib64minilzo0-2.08-1.1.mbs1.x86_64.rpm
 84f52d51b3a28e5eecd8b0f7dd3c3b65  mbs1/x86_64/lib64vncserver0-0.9.9-1.mbs1.x86_64.rpm
 50d5bf0cdff71f9773d07bfee2804eaf  mbs1/x86_64/lib64vncserver-devel-0.9.9-1.mbs1.x86_64.rpm
 70da4fa0a7eb955f45ed1fcd6fd4ca19  mbs1/x86_64/linuxvnc-0.9.9-1.mbs1.x86_64.rpm 
 da9cbd99e5f15bbe8a0185e044b60c13  mbs1/SRPMS/liblzo-2.08-1.1.mbs1.src.rpm
 6cf01a7cb6d388558f73d059340ed3da  mbs1/SRPMS/libvncserver-0.9.9-1.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
 _______________________________________________________________________

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