Ubuntu 12.04 LTS / 13.10 / 14.04 LTS : json-c vulnerabilities (USN-2245-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Florian Weimer discovered that json-c incorrectly handled buffer
lengths. An attacker could use this issue with a specially crafted
large JSON document to cause json-c to crash, resulting in a denial of
service. (CVE-2013-6370)

Florian Weimer discovered that json-c incorrectly handled hash arrays.
An attacker could use this issue with a specially crafted JSON
document to cause json-c to consume CPU resources, resulting in a
denial of service. (CVE-2013-6371).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libjson0 package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 74509 ()

Bugtraq ID: 66715
66720

CVE ID: CVE-2013-6370
CVE-2013-6371