Executive Summary

Summary
Title psutil vulnerability
Informations
Name USN-4204-1 First vendor Publication 2019-11-28
Vendor Ubuntu Last vendor Modification 2019-11-28
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

psutil could be made to crash or run programs.

Software Description: - python-psutil: module providing convenience functions for managing processes

Details:

Riccardo Schirone discovered that psutil incorrectly handled certain reference counting operations. An attacker could use this issue to cause psutil to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 19.10:
python-psutil 5.5.1-1ubuntu0.19.10.1
python3-psutil 5.5.1-1ubuntu0.19.10.1

Ubuntu 19.04:
python-psutil 5.5.1-1ubuntu0.19.04.1
python3-psutil 5.5.1-1ubuntu0.19.04.1

Ubuntu 18.04 LTS:
python-psutil 5.4.2-1ubuntu0.1
python3-psutil 5.4.2-1ubuntu0.1

Ubuntu 16.04 LTS:
python-psutil 3.4.2-1ubuntu0.1
python3-psutil 3.4.2-1ubuntu0.1

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

References:
https://usn.ubuntu.com/4204-1
CVE-2019-18874

Package Information:
https://launchpad.net/ubuntu/+source/python-psutil/5.5.1-1ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/python-psutil/5.5.1-1ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/python-psutil/5.4.2-1ubuntu0.1
https://launchpad.net/ubuntu/+source/python-psutil/3.4.2-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4204-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-415 Double Free

Alert History

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0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-03-19 13:20:12
  • First insertion