The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them. |
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Synthesis of the vulnerability 
An attacker can trigger a memory corruption of json-c, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, WebSphere MQ, Solaris, pfSense, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 15/05/2020.
Références of this threat: 6382922, CVE-2020-12762, DLA-2228-1, DLA-2228-2, DLA-2301-1, DSA-4741-1, USN-4360-1, USN-4360-2, USN-4360-3, USN-4360-4, VIGILANCE-VUL-32277.
Description of the vulnerability 
An attacker can trigger a memory corruption of json-c, in order to trigger a denial of service, and possibly to run code. Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This computer threat note impacts software or systems such as Debian, WebSphere MQ, Solaris, pfSense, Ubuntu.
Our Vigil@nce team determined that the severity of this weakness alert is medium.
The trust level is of type confirmed by the editor, with an origin of document.
An attacker with a expert ability can exploit this computer weakness note.
Solutions for this threat 
Debian 10: new json-c packages.
New packages are available:
Debian 10: json-c 0.12.1+ds-2+deb10u
Debian 8: new json-c packages.
New packages are available:
Debian 8: json-c 0.11-4+deb8u2
Debian 9: new json-c packages.
New packages are available:
Debian 9: json-c 0.12.1-1.1+deb9u1
IBM MQ: fixed versions for json-c.
Fixed versions are indicated in information sources.
Oracle Solaris: patch for third party software of July 2020 v1.
A patch is available:
https://support.oracle.com/rs?type=doc&id=1448883.1
pfSense: version 2.4.5-p1.
The version 2.4.5-p1 is fixed:
https://www.pfsense.org/download/
https://www.netgate.com/
Ubuntu: new json-c packages.
New packages are available:
Ubuntu 20.04 LTS: libjson-c4 0.13.1+dfsg-7ubuntu0.3
Ubuntu 19.10: libjson-c4 0.13.1+dfsg-4ubuntu0.3
Ubuntu 18.04 LTS: libjson-c3 0.12.1-1.3ubuntu0.3
Ubuntu 16.04 LTS: libjson-c2 0.11-4ubuntu2.6, libjson0 0.11-4ubuntu2.6
Ubuntu 14.04 ESM: libjson-c2 0.11-3ubuntu1.2+esm3, libjson0 0.11-3ubuntu1.2+esm3
Ubuntu 12.04 ESM: libjson0 0.9-1ubuntu1.4
Wind River Linux: version 10.18.44.17.
The version 10.18.44.17 is fixed:
https://support2.windriver.com/
Wind River Linux: version 10.19.45.8.
The version 10.19.45.8 is fixed.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
Computer vulnerabilities tracking service 
Vigil@nce provides an applications vulnerabilities note. The technology watch team tracks security threats targeting the computer system.
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