Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H).
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-2503 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H |
| Attack Vector | Adjacent Network |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mariadb101-mariadb | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mysql57-mysql | Affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mariadb102-mariadb | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mysql80-mysql | Affected |
| Red Hat OpenStack Platform 9.0 | mariadb-galera | Not affected |
| Red Hat OpenStack Platform 8.0 (Liberty) | mariadb-galera | Not affected |
| Red Hat OpenStack Platform 14 | mariadb | Not affected |
| Red Hat OpenStack Platform 13.0 (Queens) | mariadb | Not affected |
| Red Hat OpenStack Platform 10 | mariadb-galera | Not affected |
| Red Hat Enterprise Linux 7 | mariadb | Not affected |
| Red Hat Enterprise Linux 6 | mysql | Not affected |
| Red Hat Enterprise Linux 5 | mysql55-mysql | Not affected |
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