Open5GS MME up to 2.6.4 NAS Packet MME_UE_S1AP_ID denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS MME up to 2.6.4. It has been rated as problematic. This vulnerability affects the function MME_UE_S1AP_ID of the component NAS Packet Handler. This manipulation causes denial of service. The identification of this vulnerability is CVE-2023-37023. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Open5GS MME up to 2.6.4 and classified as critical. Affected by this vulnerability is the function MME_UE_S1AP_ID of the component NAS Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `Uplink NAS Transport` packet handler. A packet missing its `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

It is possible to read the advisory at cellularsecurity.org. This vulnerability is known as CVE-2023-37023 since 06/28/2023. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/28/2023 🔍
01/22/2025 +574 days 🔍
01/22/2025 +0 days 🔍
02/07/2025 +16 days 🔍

Sourcesinfo

Advisory: cellularsecurity.org
Status: Not defined

CVE: CVE-2023-37023 (🔍)
GCVE (CVE): GCVE-0-2023-37023
GCVE (VulDB): GCVE-100-292999

Entryinfo

Created: 01/22/2025 16:56
Updated: 02/07/2025 09:04
Changes: 01/22/2025 16:56 (3), 01/22/2025 16:57 (17), 01/22/2025 17:00 (34), 02/07/2025 09:04 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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