PT-2025-3347 · Open5Gs · Open5Gs

Dinesh001-Kumar · Published 2025-02-03 · Updated 2025-02-03 · CVE-2024-56921

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Open5gs version 2.7.2

Description A problem was discovered in Open5gs where the InitialUEMessage, a registration request sent at a specific time, can cause AMF to crash due to incorrect error handling of the gmm state exception() function when receiving the Nausf UEAuthentication Authenticate response.

Recommendations For Open5gs version 2.7.2, consider disabling the gmm state exception() function temporarily as a workaround until a patch is available. Restrict access to the InitialUEMessage registration request to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Assertion Failure

Weakness Enumeration

CWE-400

CWE-617

Related Identifiers

CVE-2024-56921

Affected Products

Open5Gs

References · 6

• https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840 · Patch
• https://github.com/open5gs/open5gs/issues/3608 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-56921 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-56921 · Security Note
• https://t.me/cvedetector/17112 · Telegram Post
• https://twitter.com/CVEnew/status/1886499093406748969 · Twitter Post