cve/2023/CVE-2023-33864.md

### [CVE-2023-33864](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33864)
![](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

StreamReader::ReadFromExternal in RenderDoc before 1.27 allows an Integer Overflow with a resultant Buffer Overflow. It uses uint32_t(m_BufferSize-m_InputSize) even though m_InputSize can exceed m_BufferSize.

### POC

#### Reference
- http://packetstormsecurity.com/files/172804/RenderDoc-1.26-Local-Privilege-Escalation-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2023/Jun/2
- https://www.qualys.com/2023/06/06/renderdoc/renderdoc.txt

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