CVE-2023-4233 Memory corruption in Fedora

What is CVE-2023-4233?

CVE-2023-4233 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 17 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2023-4233?

It affects 2 products.

Products include Fedoraproject Fedora, Ofono Project Ofono.

How do I fix CVE-2023-4233?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-4233 being exploited?

There is no known exploitation of CVE-2023-4233 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-4233, GHSA-8863-q6gv-88fw, UBUNTU-CVE-2023-4233.