### [CVE-2015-6565](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6565)
![](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

sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.

### POC

#### Reference
- http://openwall.com/lists/oss-security/2017/01/26/2
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
- https://www.exploit-db.com/exploits/41173/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Live-Hack-CVE/CVE-2015-6565
- https://github.com/phx/cvescan