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 classified as problematic has been found in Open5GS MME up to 2.6.4. Affected by this issue is some unknown functionality of the component S1AP Packet Handler. Performing a manipulation of the argument MME_UE_S1AP_ID results in denial of service. This vulnerability is cataloged as CVE-2023-37015. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Open5GS MME up to 2.6.4. It has been classified as critical. This affects some unknown processing 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. 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. The summary by CVE is:

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

It is possible to read the advisory at cellularsecurity.org. This vulnerability is uniquely identified as CVE-2023-37015 since 06/28/2023. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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.

Statistical analysis made it clear that VulDB provides the best quality 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-2023-37015 (🔍)
GCVE (CVE): GCVE-0-2023-37015
GCVE (VulDB): GCVE-100-293019

Entryinfo

Created: 01/22/2025 17:08
Updated: 02/07/2025 08:07
Changes: 01/22/2025 17:08 (20), 01/22/2025 17:11 (34), 02/07/2025 08:07 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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