cve/2020/CVE-2020-7731.md

### [CVE-2020-7731](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7731)
![](https://img.shields.io/static/v1?label=Product&message=github.com%2Frussellhaering%2Fgosaml2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%200%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Denial%20of%20Service%20(DoS)&color=brighgreen)

### Description

This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. There is a crash on nil-pointer dereference caused by sending malformed XML signatures.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302

#### Github
No PoCs found on GitHub currently.