CVEs-PoC/2021/CVE-2021-20277.md

### [CVE-2021-20277](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20277)
![](https://img.shields.io/static/v1?label=Product&message=samba&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=samba%204.14.1%2C%20samba%204.13.6%2C%20samba%204.12.13%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125&color=brightgreen)

### Description

A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ep-infosec/50_google_honggfuzz
- https://github.com/google/honggfuzz
- https://github.com/lllnx/lllnx
- https://github.com/uiop7774/Honggfuzz_mod