Improper Certificate Validation in Go programming language - CVE-2020-14039
Published: July 27, 2020
Vulnerability identifier: #VU31890
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-14039
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Go programming language
Go programming language
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists when "VerifyOptions.Roots" is nil, "Certificate.Verify" does not check the EKU requirements specified in "VerifyOptions.KeyUsages".
How to mitigate CVE-2020-14039
Install updates from vendor's website.