cve/2010/CVE-2010-3494.md

### [CVE-2010-3494](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3494)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

### POC

#### Reference
- http://code.google.com/p/pyftpdlib/issues/detail?id=104
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY

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