NULL pointer dereference in DNS library in Go - CVE-2018-17419
Published: June 4, 2023
Vulnerability identifier: #VU76830
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-17419
CWE-ID: CWE-476
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 a NULL pointer dereference error within the setTA() function in scan_rr.go caused by the dns.ParseZone() parsing error. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
DNS library in Go
Red Hat OpenShift Container Platform
Red Hat OpenShift Container Platform
How to mitigate CVE-2018-17419
Install updates from vendor's website.
DNS library in Go - update to 1.0.10
Red Hat OpenShift Container Platform - addressed in versions 4.10.61, 4.11.42, 4.12.19, 4.13.1
Red Hat OpenShift Container Platform - addressed in versions 4.10.61, 4.11.42, 4.12.19, 4.13.1
External References
Related Security Bulletins
- Denial of service in Miek Gieben DNS library for Go
- Multiple vulnerabilities in OpenShift Container Platform 4.12
- Multiple vulnerabilities in OpenShift Container Platform 4.13
- Multiple vulnerabilities in OpenShift Container Platform 4.11
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.10