Vulnerability in Free5gc Udm
CVE-2023-46324
pkg/suci/suci.go in free5GC udm before 1.2.0, when Go before 1.19 is used, allows an Invalid Curve Attack because it may compute a shared secret via an uncompressed public key that has not been validated. An attacker can send arbitrary SUCIs to the UDM, which tries to decrypt them via both its private key and the attacker's public key.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/free5gc/udm/pull/20 (Patch, Third Party Advisory)
- github.com/free5gc/udm/compare/v1.1.1...v1.2.0 (Product)
- www.gsma.com/security/wp-content/uploads/2023/10/0073-invalid_curve.pdf
Frequently asked questions
- What is CVE-2023-46324?
- CVE-2023-46324 is a high-severity vulnerability in Free5gc Udm, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2023-10-23.
- How severe is CVE-2023-46324?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-46324 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.