CVE-2020-7666

Arbitrary File Write via Archive Extraction (Zip Slip)

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.

Affected

github.com/u-root/u-root/pkg/cpio

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

1.53% chance of exploitation in the next 30 days, 74th percentile

Published

2020-09-01

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUROOTUROOTPKGCPIO-570440

Security advisories

• u-root/u-root/pull/1817
• advisories/GHSA-mq35-x99r-54fc

References

• CVE Record
• NVD entry