# CVE-2018-1123: libprocps6: procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow

CVE-2018-1123 is fixed in 2 products on 1 platform, first by libprocps6 2:3.3.12-3ubuntu1.1, released May 17, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-1123
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0874
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 17, 2018

## 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).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libprocps6 Ubuntu 18.04.6 LTS (bionic) | 2:3.3.12-3ubuntu1.1 | [libprocps6 2:3.3.12-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libprocps6-2-3.3.12-3ubuntu1.1.md) | May 17, 2018 |
| Linux | procps Ubuntu 18.04.6 LTS (bionic) | 2:3.3.12-3ubuntu1.1 | [procps 2:3.3.12-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-procps-2-3.3.12-3ubuntu1.1.md) | May 17, 2018 |

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