cve/2009/CVE-2009-2620.md

### [CVE-2009-2620](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2620)
![](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

src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.

### POC

#### Reference
- http://tracker.firebirdsql.org/browse/CORE-2563
- http://www.coresecurity.com/content/firebird-sql-dos
- http://www.exploit-db.com/exploits/9295

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