CVE-2023-4016

Publication date 2 August 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Under some circumstances, this weakness allows a user who has access to run the “ps” utility on a machine, the ability to write almost unlimited amounts of unfiltered data into the process heap.

Read the notes from the security team

Why is this CVE low priority?

Minor DoS allowing a user to consume memory in an uncommon configuration

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
procps	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 2:4.0.3-1ubuntu1.23.10.1
	23.04 lunar	Fixed 2:4.0.3-1ubuntu1.23.04.1
	22.04 LTS jammy	Fixed 2:3.3.17-6ubuntu2.1
	20.04 LTS focal	Fixed 2:3.3.16-1ubuntu2.4
	18.04 LTS bionic	Fixed 2:3.3.12-3ubuntu1.2+esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 2:3.3.10-4ubuntu2.5+esm1 Ubuntu Pro
	14.04 LTS trusty	Vulnerable

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Notes

mdeslaur

A user having access to the "ps" utility can consume memory. Having users able to access ps and not consume memory in other ways is a pretty unrealistic scenario.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
procps	Upstream: 2c933ec

Severity score breakdown

Parameter	Value
Base score	3.3 · Low
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L