cve/2018/CVE-2018-1123.md

### [CVE-2018-1123](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1123)
![](https://img.shields.io/static/v1?label=Product&message=procps-ng%2C%20procps&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-122&color=brighgreen)

### Description

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

### POC

#### Reference
- http://seclists.org/oss-sec/2018/q2/122
- https://www.exploit-db.com/exploits/44806/
- https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt

#### Github
- https://github.com/aravinddathd/CVE-2018-1123
- https://github.com/ecomtech-oss/pisc
- https://github.com/samokat-oss/pisc