CVE-2023-37022: open5gs DoS — Exploit

Description

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
open5gs	open5gs	< 2.6.4

References

Exploits

https://cellularsecurity.org/ransacked

Frequently Asked Questions

What is CVE-2023-37022? +

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-37022? +

CVE-2023-37022 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-37022? +

CVE-2023-37022 affects products from open5gs, specifically: open5gs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-37022? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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