Headline
GHSA-rp2v-v467-q9vq: GuardDog vulnerable to arbitrary file write when scanning a specially-crafted PyPI package
Impact
Running GuardDog against a specially-crafted package can allow an attacker to write an arbitrary file on the machine where GuardDog is executed.
This is due to a path traversal vulnerability when extracting the .tar.gz file of the package being scanned, which exists by design in the tarfile.TarFile.extractall function. See also https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractall
Remediation
Upgrade to GuardDog v0.1.5 or more recent.
References
- https://semgrep.dev/r?q=trailofbits.python.tarfile-extractall-traversal.tarfile-extractall-traversal
- https://www.trellix.com/en-us/about/newsroom/stories/research/tarfile-exploiting-the-world.html
- https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractall
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- GHSA-rp2v-v467-q9vq
GuardDog vulnerable to arbitrary file write when scanning a specially-crafted PyPI package
Moderate severity GitHub Reviewed Published Dec 2, 2022 in DataDog/guarddog
Package
pip guarddog (pip)
Affected versions
< 0.1.5
Description
Severity
CVSS base metrics
User interaction
Required
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Weaknesses
GHSA ID
GHSA-rp2v-v467-q9vq
Source code