Linux Foundation Magma up to 1.8.0 Mobile Management Entity eNB_UE_S1AP_ID null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Foundation Magma up to 1.8.0. This affects an unknown function of the component Mobile Management Entity. Performing a manipulation of the argument eNB_UE_S1AP_ID results in null pointer dereference. This vulnerability is known as CVE-2023-37028. Access to the local network is required for this attack. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Foundation Magma up to 1.8.0. This affects an unknown code of the component Mobile Management Entity. The manipulation of the argument eNB_UE_S1AP_ID with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

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 `E-RAB Modification Indication` packet missing an expected `eNB_UE_S1AP_ID` field.

The advisory is shared at cellularsecurity.org. This vulnerability is uniquely identified as CVE-2023-37028 since 06/28/2023. The exploitability is told to be easy. The attack needs to be initiated within the local network. Technical details are known, but no exploit is available.

Upgrading to version 1.9 eliminates this vulnerability. Applying the patch 08472ba98b8321f802e95f5622fa90fec2dea486 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-40948). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Magma 1.9
Patch: 08472ba98b8321f802e95f5622fa90fec2dea486

Timelineinfo

06/28/2023 🔍
01/22/2025 +574 days 🔍
01/22/2025 +0 days 🔍
01/15/2026 +358 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: cellularsecurity.org
Status: Confirmed

CVE: CVE-2023-37028 (🔍)
GCVE (CVE): GCVE-0-2023-37028
GCVE (VulDB): GCVE-100-292905
EUVD: 🔍

Entryinfo

Created: 01/22/2025 07:29
Updated: 01/15/2026 06:52
Changes: 01/22/2025 07:29 (57), 01/15/2026 06:52 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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