NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package github.com/go-yaml/yaml (opens in a new tab)
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMGOYAMLYAML-2952712
- published17 Jul 2022
- disclosed27 May 2022
- creditBradley Kemp
Introduced: 27 May 2022
CVE NOT AVAILABLE CWE-476 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
Amendment
This was deemed not a vulnerability.
Overview
github.com/go-yaml/yaml is a YAML support package for the Go language.
Affected versions of this package are vulnerable to NULL Pointer Dereference when parsing #\n-\n-\n0 via the parserc.go parser.
PoC
package main
import (
"gopkg.in/yaml.v3"
)
func main() {
var t interface{}
yaml.Unmarshal([]byte("#\n-\n-\n0"), &t)
}