Open5GS MME up to 2.6.4 Initial UE Message Packet NAS_PDU 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 marked as problematic has been reported in Open5GS MME up to 2.6.4. The impacted element is the function NAS_PDU of the component Initial UE Message Packet Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2024-34235. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Open5GS MME up to 2.6.4. It has been rated as critical. This issue affects the function NAS_PDU of the component Initial UE Message Packet Handler. The manipulation 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. 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 an `Initial UE Message` missing a required `NAS_PDU` field to repeatedly crash the MME, resulting in denial of service.

It is possible to read the advisory at cellularsecurity.org. The identification of this vulnerability is CVE-2024-34235 since 05/02/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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

05/02/2024 🔍
01/22/2025 +265 days 🔍
01/22/2025 +0 days 🔍
02/07/2025 +16 days 🔍

Sourcesinfo

Advisory: cellularsecurity.org
Status: Not defined

CVE: CVE-2024-34235 (🔍)
GCVE (CVE): GCVE-0-2024-34235
GCVE (VulDB): GCVE-100-293003

Entryinfo

Created: 01/22/2025 17:01
Updated: 02/07/2025 09:04
Changes: 01/22/2025 17:01 (20), 01/22/2025 17:04 (34), 02/07/2025 09:04 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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