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Sicherheit: Ausführen beliebiger Kommandos in json-c
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in json-c
ID: USN-4360-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 12.04 ESM, Ubuntu 18.04 LTS, Ubuntu 14.04 ESM, Ubuntu 19.10, Ubuntu 20.04 LTS
Datum: Do, 14. Mai 2020, 21:40
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12762
Applikationen: json-c

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-4360-1
May 14, 2020

json-c vulnerability
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

json-c could be made to execute arbitrary code if it received
a specially crafted JSON file.

Software Description:
- json-c: JSON manipulation library

Details:

It was discovered that json-c incorrectly handled certain JSON files.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
libjson-c4 0.13.1+dfsg-7ubuntu0.1

Ubuntu 19.10:
libjson-c4 0.13.1+dfsg-4ubuntu0.1

Ubuntu 18.04 LTS:
libjson-c3 0.12.1-1.3ubuntu0.1

Ubuntu 16.04 LTS:
libjson-c2 0.11-4ubuntu2.1
libjson0 0.11-4ubuntu2.1

Ubuntu 14.04 ESM:
libjson-c2 0.11-3ubuntu1.2+esm1
libjson0 0.11-3ubuntu1.2+esm1

Ubuntu 12.04 ESM:
libjson0 0.9-1ubuntu1.2

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

References:
https://usn.ubuntu.com/4360-1
CVE-2020-12762

Package Information:
https://launchpad.net/ubuntu/+source/json-c/0.13.1+dfsg-7ubuntu0.1
https://launchpad.net/ubuntu/+source/json-c/0.13.1+dfsg-4ubuntu0.1
https://launchpad.net/ubuntu/+source/json-c/0.12.1-1.3ubuntu0.1
https://launchpad.net/ubuntu/+source/json-c/0.11-4ubuntu2.1

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