CVE-2020-11073 — In Autoswitch Python Virtualenv before version 0

In Autoswitch Python Virtualenv before version 0.16.0, a user who enters a directory with a malicious `.venv` file could run arbitrary code without any user interaction. This is fixed in version: 1.16.0

01What is this vulnerability?

In Autoswitch Python Virtualenv before version 0.16.0, a user who enters a directory with a malicious `.venv` file could run arbitrary code without any user interaction. This is fixed in version: 1.16.0

02Affected products

Vendor	Product	Versions
MichaelAquilina	zsh	autoswitch-virtualenv — < 0.16.0

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2020-05-13T18:55:14.000Z
• Last modified: 2024-08-04T11:21:14.525Z

09References

• github.com — https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/security/advisories…
• github.com — https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122
• github.com — https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/pull/123
• github.com — https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/commit/30c77db7c83e…