CVEs-PoC/2020/CVE-2020-12243.md

### [CVE-2020-12243](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12243)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpuoct2020.html

#### Github
- https://github.com/ARPSyndicate/cvemon