CVE-2024-34476 — MEDIUM (5.3)

Q: What is CVE-2024-34476?

CVE-2024-34476 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

Vulnerability Description

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Open5Gs	Open5Gs	< 2.7.1

Related Weaknesses (CWE)

CWE-805

References

https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1Release NotesVendor Advisory
https://github.com/open5gs/open5gs/pull/3122Issue TrackingVendor Advisory
https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1Release NotesVendor Advisory
https://github.com/open5gs/open5gs/pull/3122Issue TrackingVendor Advisory

FAQ

What is CVE-2024-34476?

CVE-2024-34476 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

How severe is CVE-2024-34476?

CVE-2024-34476 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-34476?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.