CVE-2020-7666

Public Exploit
Arbitrary File Write via Archive Extraction (Zip Slip)

Description

This affects all versions of package github.com/u-root/u-root/pkg/cpio. It is vulnerable to leading, non-leading relative path traversal attacks and symlink based (relative and absolute) path traversal attacks in cpio file extraction.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a github.com/u-root/u-root/pkg/cpio
Published at:
Updated at:

References

Link Tags
https://github.com/u-root/u-root/pull/1817 third party advisory patch
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUROOTUROOTPKGCPIO-570440 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-7666?
CVE-2020-7666 has been scored as a high severity vulnerability.
How to fix CVE-2020-7666?
To fix CVE-2020-7666, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7666 being actively exploited in the wild?
It is possible that CVE-2020-7666 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7666?
CVE-2020-7666 affects n/a github.com/u-root/u-root/pkg/cpio.
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