# CVE-2017-10167: libmysqlclient20: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer)

CVE-2017-10167 is fixed in 10 products on 1 platform, first by libmysqlclient20 5.7.20-0ubuntu0.17.10.1, released October 17, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-10167
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0254
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 17, 2017

## Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.19 and earlier. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [libmysqlclient20 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-client Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-client 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-client-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-client-core-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-server Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-server 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-server-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-server-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-server-core-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-source-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-testsuite Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-testsuite 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.20-0ubuntu0.17.10.1 | [mysql-testsuite-5.7 5.7.20-0ubuntu0.17.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.20-0ubuntu0.17.10.1.md) | Oct 17, 2017 |

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