CVE-2022-3347 Incorrect validation of root DNSSEC public keys in github.com/peterzen/goresolver
Attackers can bypass DNSSEC validation by presenting self-signed root keys, causing the library to accept invalid DNS records.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-3347?
CVE-2022-3347 is a high-severity vulnerability in github.com/peterzen/goresolver, published on 27 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DNSSEC validation is not performed correctly. An attacker can cause this package to report successful validation for invalid, attacker-controlled records. Root DNSSEC public keys are not validated, permitting an attacker to present a self-signed root key and delegation chain.
Weakness: CWE-345
Which versions are affected by CVE-2022-3347?
3 open source packages ship an affected version, including github.com/peterzen/goresolver. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/peterzen/goresolver Go | All versions | None |
github.com/peterzen/goresolver Go | All versions to 1.0.2 | None |
github.com/peterzen/goresolver Go | All versions to 1.0.2 | None |
Products include Go-Resolver Project Go-Resolver.
How do I fix CVE-2022-3347?
No fix has been published for CVE-2022-3347 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-3347 being exploited?
There is no known exploitation of CVE-2022-3347 in the wild and no public exploit code.
Other vulnerabilities in github.com/peterzen/goresolver
Sources
Also known as GHSA-jr65-gpj5-cw74, GO-2022-1026.