USN-6011-1: Json-smart vulnerabilities

Publication date

12 April 2023

Overview

Several security issues were fixed in Json-smart.


Packages

Details

It was discovered that Json-smart incorrectly handled memory
when processing input containing unclosed quotes.
A remote attacker could possibly use this issue to cause
applications using Json-smart to crash, leading to a
denial of service. (CVE-2021-31684)

It was discovered that Json-smart incorrectly handled memory
when processing input containing unclosed brackets.
A remote attacker could possibly use this issue to cause
applications using Json-smart to crash, leading to a
denial of service. (CVE-2023-1370)

It was discovered that Json-smart incorrectly handled memory
when processing input containing unclosed quotes.
A remote attacker could possibly use this issue to cause
applications using Json-smart to crash, leading to a
denial of service. (CVE-2021-31684)

It was discovered that Json-smart incorrectly handled memory
when processing input containing unclosed brackets.
A remote attacker could possibly use this issue to cause
applications using Json-smart to crash, leading to a
denial of service. (CVE-2023-1370)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic libjson-smart-java –  2.2-2ubuntu0.22.10.1
22.04 jammy libjson-smart-java –  2.2-2ubuntu0.22.04.1
20.04 focal libjson-smart-java –  2.2-2ubuntu0.20.04.1
18.04 bionic libjson-smart-java –  2.2-2ubuntu0.18.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›