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CVE-2023-42363

Publication date 27 November 2023

Last updated 14 August 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1.

Read the notes from the security team

Status

Package Ubuntu Release Status
busybox 24.10 oracular
Fixed 1:1.36.1-6ubuntu4
24.04 LTS noble
Fixed 1:1.36.1-6ubuntu3.1
23.10 mantic Ignored end of life, was deferred [2024-07-18]
23.04 lunar Ignored end of life, was deferred [2024-07-18]
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

iconstantin

proposed fix has been merged, but bug not yet updated as of 2024-07-24

octagalland

the author of the fix doesn't seem to update the bug tracker for other issues either

Patch details

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

Package Patch details
busybox

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-6961-1
    • BusyBox vulnerabilities
    • 14 August 2024

Other references