miekg/dns parsing error leads to nil pointer dereference and DoS · CVE-2018-17419 · GitHub Advisory Database · GitHub

miekg/dns parsing error leads to nil pointer dereference and DoS

High severity GitHub Reviewed Published May 18, 2021 to the GitHub Advisory Database • Updated Aug 29, 2023

Package

github.com/miekg/dns (Go)

Affected versions

< 1.0.10

Patched versions

1.0.10

Description

An issue was discovered in setTA in scan_rr.go in the Miek Gieben DNS library before 1.0.10 for Go. A dns.ParseZone() parsing error causes a segmentation violation, leading to denial of service.

References

Reviewed May 11, 2021

Published to the GitHub Advisory Database May 18, 2021

Last updated Aug 29, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H