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

Ubuntu Security Notice (C) 2014 Canonical, Inc. / NASL script (C) 2014 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).

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