CVE-2018-17419 miekg/dns parsing error leads to nil pointer dereference and DoS
A parsing error in the Miek Gieben DNS library for Go causes a segmentation violation, allowing attackers to trigger a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17419?
CVE-2018-17419 is a high-severity vulnerability in n/a, published on 7 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-476
Which versions are affected by CVE-2018-17419?
3 open source packages ship an affected version, including github.com/miekg/dns. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/miekg/dns Go | All versions | 1.0.10 |
github.com/miekg/dns Go | All versions | 1.0.10 |
github.com/miekg/dns Go | All versions | 1.0.10 |
Products include Dns Library Project Dns Library.
How do I fix CVE-2018-17419?
Upgrade github.com/miekg/dns to 1.0.10 or later.
Is CVE-2018-17419 being exploited?
There is no known exploitation of CVE-2018-17419 in the wild and no public exploit code.
Sources
Also known as GHSA-9jcx-pr2f-qvq5, GO-2020-0028, UBUNTU-CVE-2018-17419.