CVE-2023-4016

Publication date 2 August 2023

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

3.3 · Low

Score breakdown

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

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
16.04 LTS xenial
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

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

References

Related Ubuntu Security Notices (USN)

    • USN-6477-1
    • procps-ng vulnerability
    • 14 November 2023

Other references