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

Medium Nessus Plugin ID 74509

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.

See Also

https://usn.ubuntu.com/2245-1/

Plugin Details

Severity: Medium

ID: 74509

File Name: ubuntu_USN-2245-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2014/06/13

Updated: 2019/09/19

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libjson0, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:13.10, cpe:/o:canonical:ubuntu_linux:14.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2014/06/12

Vulnerability Publication Date: 2014/04/22

Reference Information

CVE: CVE-2013-6370, CVE-2013-6371

BID: 66715, 66720

USN: 2245-1