VDB-292896 · CVE-2023-37038 · EUVD-2023-40958

Linux Foundation Magma up to 1.8.0 Mobile Management Entity MME_UE_S1AP_ID null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Foundation Magma up to 1.8.0. Affected is an unknown function of the component Mobile Management Entity. The manipulation of the argument MME_UE_S1AP_ID results in null pointer dereference. This vulnerability is identified as CVE-2023-37038. The attack can only be performed from the local network. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Foundation Magma up to 1.8.0. Affected is some unknown functionality of the component Mobile Management Entity. The manipulation of the argument MME_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. CVE summarizes:

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 `Uplink NAS Transport` packet missing an expected `MME_UE_S1AP_ID` field.

The advisory is shared for download at cellularsecurity.org. This vulnerability is traded as CVE-2023-37038 since 06/28/2023. The exploitability is told to be easy. The attack can only be initiated within the local network. There are known technical details, 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-2023-40958). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Linux Foundation

Name

Magma

Version

License

open-source

Website

Vendor: https://www.linuxfoundation.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2023-37038 (🔍)
GCVE (CVE): GCVE-0-2023-37038
GCVE (VulDB): GCVE-100-292896
EUVD: 🔍

Entryinfo

Created: 01/22/2025 07:21
Updated: 01/15/2026 15:27
Changes: 01/22/2025 07:21 (57), 01/23/2025 16:52 (12), 01/27/2025 15:50 (11), 01/15/2026 15:27 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.