What’s Vulnerable › Vulnerabilities

CVE-2020-36566: Path traversal in github.com/whyrusleeping/tar-utils

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-27 · updated 2026-06-17
• Weakness: CWE-22

Description

Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten) outside of the target directory.

Affected products

• github.com/whyrusleeping/tar-utils: before 0.0.0-20201201191210-20a61371de5b — fixed in 0.0.0-20201201191210-20a61371de5b

How to fix

Upgrade to a fixed version: github.com/whyrusleeping/tar-utils 0.0.0-20201201191210-20a61371de5b. Check the vendor advisory for mitigations.

References

• https://github.com/whyrusleeping/tar-utils/commit/20a61371de5b51380bbdb0c7935b30b0625ac227
• https://pkg.go.dev/vuln/GO-2021-0106
• https://snyk.io/research/zip-slip-vulnerability
• https://github.com/whyrusleeping/tar-utils/commit/20a61371de5b51380bbdb0c7935b30b0625ac227
• https://pkg.go.dev/vuln/GO-2021-0106
• https://snyk.io/research/zip-slip-vulnerability

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