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

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Main Vulnerability Database Vulnerabilities #VU22020

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

Published: October 21, 2019


Vulnerability identifier: #VU22020
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2019-17596
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Go programming language
Arch Linux
Amazon Linux AMI
Fedora
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Opensuse
Red Hat Developer Tools
containerd (Alpine package)
golang-1.11 (Debian package)
go (Alpine package)
golang
IBM Cloud Automation Manager

How to mitigate CVE-2019-17596

Install updates from vendor's website.

Go programming language - addressed in versions 1.12.11, 1.13.3
containerd (Alpine package) - addressed in versions 1.3.1-r0, 1.3.3-r0
golang-1.11 (Debian package) - update to 1.11.6-1+deb10u3
go (Alpine package) - addressed in versions 1.13.8-r0, 1.13.10-r0
golang - addressed in versions 1.12.12-1.fc30, 1.12.13-1.fc30, 1.13.3-1.el6, 1.13.3-1.el7, 1.13.3-1.fc31
golang - update to 1.13.4-1.57
IBM Cloud Automation Manager - update to 3.2.1.4

External References

Related Security Bulletins