CVE-2023-37013
Last modified
CVE-2023-37013 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open5gs | Open5gs | <= 2.6.4 |
References
- https://cellularsecurity.org/ransackedExploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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