cve/2006/CVE-2006-1242.md

### [CVE-2006-1242](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1242)
![](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

The ip_push_pending_frames function in Linux 2.4.x and 2.6.x before 2.6.16 increments the IP ID field when sending a RST after receiving unsolicited TCP SYN-ACK packets, which allows remote attackers to conduct an Idle Scan (nmap -sI) attack, which bypasses intended protections against such attacks.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/0xdea/advisories