bugtraq - [ MDVSA-2015:102 ] json-c

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Date: Sun, 29 Mar 2015 07:05:00 +0200
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2015:102 ] json-c

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2015:102
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : json-c
 Date    : March 29, 2015
 Affected: Business Server 2.0
 _______________________________________________________________________

 Problem Description:

 Updated json-c packages fix security vulnerabilities:

 Florian Weimer reported that the printbuf APIs used in the json-c
 library used ints for counting buffer lengths, which is inappropriate
 for 32bit architectures.  These functions need to be changed to using
 size_t if possible for sizes, or to be hardened against negative
 values if not.  This could be used to cause a denial of service in
 an application linked to the json-c library (CVE-2013-6370).

 Florian Weimer reported that the hash function in the json-c library
 was weak, and that parsing smallish JSON strings showed quadratic
 timing behaviour. This could cause an application linked to the json-c
 library, and that processes some specially-crafted JSON data, to use
 excessive amounts of CPU (CVE-2013-6371).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6370
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6371
 http://advisories.mageia.org/MGASA-2014-0175.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 2/X86_64:
 a01b51b861573f870676ada72574883b  mbs2/x86_64/lib64json2-0.11-4.1.mbs2.x86_64.rpm
 d0c95fd3e09d5ea552cc3d01b1bc53e9  mbs2/x86_64/lib64json-devel-0.11-4.1.mbs2.x86_64.rpm 
 e741ceb24b4557e0e1cc4faa11b094a4  mbs2/SRPMS/json-c-0.11-4.1.mbs2.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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