CVE-2023-4232

Ofono: sms decoder stack-based buffer overflow remote code execution vulnerability within the decode_status_report() function

HIGH
8.1
CVSS Score
Published: April 17, 2024 at 10:49 PM UTC
Updated: June 17, 2026 at 06:37 AM UTC
2 products affected across 2 vendorsFedoraOfono

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Severity
HIGH8.1
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.1
Affected range stops below 2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHfedora
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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