CVE-2023-4233

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 sms_decode_address_field() function during the SMS PDU decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS.

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 1.31-3ubuntu3.24.10.1
	24.04 LTS noble	Fixed 1.31-3ubuntu3.24.04.1
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 1.31-3ubuntu1.1
	20.04 LTS focal	Fixed 1.31-2ubuntu1+esm1
	18.04 LTS bionic	Fixed 1.21-1ubuntu1+esm1
	16.04 LTS xenial	Fixed 1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm1

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Notes

sbeattie

ZDI-CAN-20996

Patch details

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

Package	Patch details
ofono	Upstream: ?id=1a5

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