cve/2017/CVE-2017-8824.md

### [CVE-2017-8824](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8824)
![](https://img.shields.io/static/v1?label=Product&message=Linux%20kernel%20through%204.14.3&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=use-after-free&color=brighgreen)

### Description

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2017/12/05/1
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://usn.ubuntu.com/3581-1/
- https://usn.ubuntu.com/3582-1/
- https://usn.ubuntu.com/3583-2/
- https://www.exploit-db.com/exploits/43234/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ostrichxyz7/kexps
- https://github.com/sriramkandukuri/cve-fix-reporter