CVE-2018-17419

HIGH7.5EPSS 0.39%

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

Published: 5/18/2021Modified: 5/20/2024

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.

Affected packages (2)

Go/github.com/miekg/dnsfrom 0, < 1.0.10
Go/github.com/miekg/dnsfrom 0, < 1.0.10

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (6)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-17419
PATCHhttps://github.com/miekg/dns
WEBhttps://github.com/miekg/dns/commit/501e858f679edecd4a38a86317ce50271014a80d
WEBhttps://github.com/miekg/dns/issues/742
WEBhttps://github.com/miekg/dns/pull/745/commits/f71d7d9d77d439b30a5e50900df5b1f988a50e5e
WEBhttps://pkg.go.dev/vuln/GO-2020-0028