CVE-2023-4234

Publication date 17 April 2024

Last updated 30 May 2025

Ubuntu priority

Cvss 3 Severity Score

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_submit_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_submit_report().

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ofono	25.04 plucky	Not affected
	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-21015

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=8d7

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