CVE-2020-7668 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

In all versions of the package github.com/unknwon/cae/tz, the ExtractTo function doesn't securely escape file paths in zip archives which include leading or non-leading "..". This allows an attacker to add or replace files system-wide.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Compression And Archive Extensions Tz Project	Compression And Archive Extensions Tz Project	All versions

Related Weaknesses (CWE)

CWE-22

References

https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUNKNWONCAETZ-570384ExploitThird Party Advisory
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUNKNWONCAETZ-570384ExploitThird Party Advisory

FAQ

What is CVE-2020-7668?

CVE-2020-7668 is a vulnerability with a CVSS score of 7.5 (HIGH). In all versions of the package github.com/unknwon/cae/tz, the ExtractTo function doesn't securely escape file paths in zip archives which include leading or non-leading "..". This allows an attacker t...

How severe is CVE-2020-7668?

CVE-2020-7668 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7668?

Check the references section above for vendor advisories and patch information. Affected products include: Compression And Archive Extensions Tz Project Compression And Archive Extensions Tz Project.