#VU20301 Input validation error in Go programming language - CVE-2019-14809
Published: August 19, 2019
Vulnerability identifier: #VU20301
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14809
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Go programming language
Go programming language
Software vendor:
Google
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to incorrect processing of URLs in net/url, related to the Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. A remote attacker can create a crafted javascript:// URL that in certain situations can be used to bypass authorization checks for some applications.
Remediation
Install updates from vendor's website.