#VU76830 NULL pointer dereference in DNS library in Go - CVE-2018-17419

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Main Vulnerability Database Vulnerabilities #VU76830

#VU76830 NULL pointer dereference in DNS library in Go - CVE-2018-17419

Published: June 4, 2023


Vulnerability identifier: #VU76830
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2018-17419
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
DNS library in Go
Software vendor:
miekg

Description

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.


Remediation

Install updates from vendor's website.

External links