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Vulnerability of Apport: denial of service via Lock File Creation

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Lock File Creation of Apport, in order to trigger a denial of service.
Vulnerable products: Tivoli Workload Scheduler, Ubuntu.
Severity of this weakness: 1/4.
Creation date: 30/10/2019.
Références of this bulletin: 6205685, 6205694, 6205697, 6205698, CVE-2019-11485, USN-4171-1, USN-4171-2, USN-4171-3, USN-4171-4, USN-4171-5, USN-4171-6, VIGILANCE-VUL-30744.

Description of the vulnerability 

An attacker can trigger a fatal error via Lock File Creation of Apport, in order to trigger a denial of service.
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This computer threat impacts software or systems such as Tivoli Workload Scheduler, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability alert is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this cybersecurity weakness.

Solutions for this threat 

IBM Workload Scheduler (Ubuntu container): patch IJ24525.
A patch is indicated in information sources.

Ubuntu: new apport packages.
New packages are available:
  Ubuntu 20.10: apport 2.20.11-0ubuntu50.1, python3-apport 2.20.11-0ubuntu50.1
  Ubuntu 20.04 LTS: apport 2.20.11-0ubuntu27.12, python3-apport 2.20.11-0ubuntu27.12
  Ubuntu 18.04 LTS: apport 2.20.9-0ubuntu7.20, python-apport 2.20.9-0ubuntu7.20, python3-apport 2.20.9-0ubuntu7.20
  Ubuntu 16.04 LTS: apport 2.20.1-0ubuntu2.27, python-apport 2.20.1-0ubuntu2.27, python3-apport 2.20.1-0ubuntu2.27
  Ubuntu 14.04 ESM: apport 2.14.1-0ubuntu3.29+esm3
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