BugTraq
[ MDVSA-2014:079 ] json-c Apr 17 2014 09:02AM
security mandriva com
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Mandriva Linux Security Advisory MDVSA-2014:079
http://www.mandriva.com/en/support/security/
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Package : json-c
Date : April 17, 2014
Affected: Business Server 1.0
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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).
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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
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Updated Packages:

Mandriva Business Server 1/X86_64:
f799ac04871a5044f8c8c4802f29f33a mbs1/x86_64/lib64json2-0.11-1.1.mbs1.x86_64.rpm
9c7a7e290ebd91a7fc071f04e0abe340 mbs1/x86_64/lib64json-devel-0.11-1.1.mbs1.x86_64.rpm
f3c134fa6a2ee59590340ab94dfa079d mbs1/SRPMS/json-c-0.11-1.1.mbs1.src.rpm
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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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Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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