CVEs-PoC/2021/CVE-2021-27212.md

### [CVE-2021-27212](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27212)
![](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 OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/akiraabe/myapp-container-jaxrs
- https://github.com/vincent-deng/veracode-container-security-finding-parser