CVE-2023-37033: Null Pointer Dereference
First published: Tue Jan 21 2025(Updated: )
A Null pointer dereference vulnerability in the Mobile Management Entity (MME) in Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows network-adjacent attackers to crash the MME via an S1AP `Initial UE Message` packet missing an expected `EUTRAN_CGI` field.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <=1.8.0 | ||
| Linuxfoundation Magma | <=1.8.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-37033?
CVE-2023-37033 is classified as a critical severity vulnerability due to its potential to crash the Mobile Management Entity.
How do I fix CVE-2023-37033?
To fix CVE-2023-37033, upgrade the Magma Mobile Management Entity to version 1.9 or later.
Who is affected by CVE-2023-37033?
CVE-2023-37033 affects users of Magma Mobile Management Entity versions 1.8.0 and earlier.
What type of attack does CVE-2023-37033 exploit?
CVE-2023-37033 can be exploited by network-adjacent attackers using a malformed S1AP Initial UE Message packet.
What component is vulnerable in CVE-2023-37033?
CVE-2023-37033 specifically targets the Mobile Management Entity (MME) component of the Magma software.
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