Open5GS MME up to 2.6.4 S1AP Packet denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Open5GS MME up to 2.6.4. This impacts an unknown function of the component S1AP Packet Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2023-37017. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Open5GS MME up to 2.6.4. Affected is an unknown part of the component S1AP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on 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 `S1Setup Request` message missing a required `Global eNB ID` field to repeatedly crash the MME, resulting in denial of service.

The advisory is shared for download at cellularsecurity.org. This vulnerability is traded as CVE-2023-37017 since 06/28/2023. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

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

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-2023-37017 (🔍)
GCVE (CVE): GCVE-0-2023-37017
GCVE (VulDB): GCVE-100-293016

Entryinfo

Created: 01/22/2025 17:04
Updated: 02/07/2025 08:07
Changes: 01/22/2025 17:04 (19), 01/22/2025 17:07 (34), 02/07/2025 08:07 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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