Input validation error in Go programming language - CVE-2019-17596

 

Input validation error in Go programming language - CVE-2019-17596

Published: October 21, 2019


Vulnerability identifier: #VU22020
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17596
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Go programming language

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of DSA public keys in crypto/x509.Verify. A remote attacker can pass a specially crafted X.509 certificate chain to the application and perform a denial of service attack.


How to mitigate CVE-2019-17596

Install updates from vendor's website.

Sources