CVE-2023-4232

Publication date 17 April 2024

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_status_report() function during the SMS decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS. There is a bound check for this memcpy length in decode_submit(), but it was forgotten in decode_status_report().

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ofono	25.10 questing	Needs evaluation
	25.04 plucky	Needs evaluation
	24.10 oracular	Fixed 1.31-3ubuntu3.24.10.2
	24.04 LTS noble	Fixed 1.31-3ubuntu3.24.04.2
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 1.31-3ubuntu1.2
	20.04 LTS focal	Fixed 1.31-2ubuntu1+esm2
	18.04 LTS bionic	Fixed 1.21-1ubuntu1+esm2
	16.04 LTS xenial	Fixed 1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm2

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Notes

sbeattie

ZDI-CAN-21014 unclear if fixed upstream; Fedora believes this to be fixed in 2.5

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-7151-1
oFono vulnerabilities
11 December 2024