USN-2245-1: json-c vulnerabilities

Releases

• Ubuntu 14.04 ESM
• Ubuntu 13.10
• Ubuntu 12.04

Packages

• json-c - JSON manipulation library

Details

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)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04

• libjson0 - 0.11-3ubuntu1.2

Ubuntu 13.10

• libjson0 - 0.11-2ubuntu1.2

Ubuntu 12.04

• libjson0 - 0.9-1ubuntu1.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2013-6370
• CVE-2013-6371