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Test ID:1.3.6.1.4.1.25623.1.0.871185
Category:Red Hat Local Security Checks
Title:RedHat Update for json-c RHSA-2014:0703-01
Summary:The remote host is missing an update for the 'json-c'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'json-c'
package(s) announced via the referenced advisory.

Vulnerability Insight:
JSON-C implements a reference counting object model that allows you to
easily construct JSON objects in C, output them as JSON-formatted strings,
and parse JSON-formatted strings back into the C representation of
JSON objects.

Multiple buffer overflow flaws were found in the way the json-c library
handled long strings in JSON documents. An attacker able to make an
application using json-c parse excessively large JSON input could cause the
application to crash. (CVE-2013-6370)

A denial of service flaw was found in the implementation of hash arrays in
json-c. An attacker could use this flaw to make an application using json-c
consume an excessive amount of CPU time by providing a specially crafted
JSON document that triggers multiple hash function collisions. To mitigate
this issue, json-c now uses a different hash function and randomization to
reduce the chance of an attacker successfully causing intentional
collisions. (CVE-2013-6371)

These issues were discovered by Florian Weimer of the Red Hat Product
Security Team.

All json-c users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues.

Affected Software/OS:
json-c on Red Hat Enterprise Linux Server (v. 7)

Solution:
Please Install the Updated Packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-6370
BugTraq ID: 66720
http://www.securityfocus.com/bid/66720
http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131845.html
http://www.mandriva.com/security/advisories?name=MDVSA-2014:079
http://secunia.com/advisories/57791
XForce ISS Database: jsonc-cve20136370-bo(92540)
https://exchange.xforce.ibmcloud.com/vulnerabilities/92540
Common Vulnerability Exposure (CVE) ID: CVE-2013-6371
BugTraq ID: 66715
http://www.securityfocus.com/bid/66715
XForce ISS Database: jsonc-cve20136371-dos(92541)
https://exchange.xforce.ibmcloud.com/vulnerabilities/92541
CopyrightCopyright (C) 2014 Greenbone Networks GmbH

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