[USN-6758-1] JSON5 vulnerability

Luci Stanescu luci.stanescu at canonical.com
Tue Apr 30 12:25:35 UTC 2024


==========================================================================
Ubuntu Security Notice USN-6758-1
April 30, 2024

node-json5 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

JSON5 could allow unintended access to network services or have other
unspecified impact.

Software Description:
- node-json5: JSON for the ES5 era

Details:

It was discovered that the JSON5 parse method incorrectly handled the parsing
of keys named __proto__. An attacker could possibly use this issue to pollute
the prototype of the returned object, setting arbitrary or unexpected keys, and
cause a denial of service, allow unintended access to network services or have
other unspecified impact, depending on the application's use of the module.

Update instructions:

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

Ubuntu 22.04 LTS
   node-json5                      2.2.0+dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   node-json5                      0.5.1-3ubuntu0.1

Ubuntu 18.04 LTS
   node-json5                      0.5.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

After a standard system update you may need to restart any services that use
the library to make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6758-1
   CVE-2022-46175

Package Information:
   https://launchpad.net/ubuntu/+source/node-json5/0.5.1-3ubuntu0.1
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