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	24.10 oracular	Not affected
	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	Ignored end of ESM support, was needed

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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