Open5GS MME up to 2.6.4 S1AP 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 categorized as problematic has been discovered in Open5GS MME up to 2.6.4. The affected element is an unknown function of the component S1AP Packet Handler. Such manipulation of the argument MME_UE_S1AP_ID leads to denial of service. This vulnerability is listed as CVE-2023-37003. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Open5GS MME up to 2.6.4. It has been rated as critical. Affected by this issue is an unknown functionality of the component S1AP Packet Handler. The manipulation of the argument MME_UE_S1AP_ID with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an `E-RAB Setup Response` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

The advisory is available at cellularsecurity.org. This vulnerability is handled as CVE-2023-37003 since 06/28/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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

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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 🔍
01/22/2025 +0 days 🔍

Sourcesinfo

Advisory: cellularsecurity.org
Status: Not defined

CVE: CVE-2023-37003 (🔍)
GCVE (CVE): GCVE-0-2023-37003
GCVE (VulDB): GCVE-100-292958

Entryinfo

Created: 01/22/2025 16:28
Updated: 01/22/2025 16:31
Changes: 01/22/2025 16:28 (20), 01/22/2025 16:31 (34)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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