CVE-2024-40647 — sentry-sdk is the official Python SDK for Sentry

sentry-sdk is the official Python SDK for Sentry.io. A bug in Sentry's Python SDK < 2.8.0 allows the environment variables to be passed to subprocesses despite the `env={}` setting. In Python's `subprocess` calls, all environment variables are passed to subprocesses

01What is this vulnerability?

sentry-sdk is the official Python SDK for Sentry.io. A bug in Sentry's Python SDK < 2.8.0 allows the environment variables to be passed to subprocesses despite the `env={}` setting. In Python's `subprocess` calls, all environment variables are passed to subprocesses by default. However, if you specifically do not want them to be passed to subprocesses, you may use `env` argument in `subprocess`…

02Affected products

Vendor	Product	Versions
getsentry	sentry	python — < 2.8.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-07-18T16:51:23.539Z
• Last modified: 2024-08-02T04:33:11.814Z

09References

• github.com — https://github.com/getsentry/sentry-python/security/advisories/GHSA-g92j-qhmh-64…
• github.com — https://github.com/getsentry/sentry-python/pull/3251
• github.com — https://github.com/getsentry/sentry-python/commit/763e40aa4cb57ecced467f48f78f33…
• docs.python.org — https://docs.python.org/3/library/subprocess.html
• docs.sentry.io — https://docs.sentry.io/platforms/python/integrations/default-integrations
• docs.sentry.io — https://docs.sentry.io/platforms/python/integrations/default-integrations/#stdli…
• github.com — https://github.com/getsentry/sentry-python/releases/tag/2.8.0