A race condition was found in the way MySQL performed MyISAM engine table repair. A database user with shell access to the server running mysqld could use this flaw to change permissions of arbitrary files writable by the mysql system user.
Find out more about CVE-2016-6663 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 3.5 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:S/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS3 Base Score | 7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (mysql) | RHSA-2017:0184 | 2017-01-24 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-mariadb100-mariadb) | RHSA-2016:2927 | 2016-12-08 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-mariadb101-mariadb) | RHSA-2016:2928 | 2016-12-08 |
| Red Hat Enterprise Linux 7 (mariadb) | RHSA-2016:2595 | 2016-11-03 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb101-mariadb) | RHSA-2016:2928 | 2016-12-08 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (mariadb55-mariadb) | RHSA-2016:2131 | 2016-10-31 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (mariadb55-mariadb) | RHSA-2016:2131 | 2016-10-31 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (mysql55-mysql) | RHSA-2016:2130 | 2016-10-31 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (mysql55-mysql) | RHSA-2016:2130 | 2016-10-31 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-mysql56-mysql) | RHSA-2016:2749 | 2016-11-15 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mysql56-mysql) | RHSA-2016:2749 | 2016-11-15 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb100-mariadb) | RHSA-2016:2927 | 2016-12-08 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mysql57-mysql | Not affected |
| Red Hat OpenStack Platform 9.0 | mariadb-galera | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | mariadb-galera | Will not fix |
| Red Hat OpenStack Platform 12.0 | mariadb-galera | Will not fix |
| Red Hat OpenStack Platform 11.0 (Ocata) | mariadb-galera | Will not fix |
| Red Hat OpenStack Platform 10 | mariadb-galera | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | millicore | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | mariadb-galera | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | mariadb-galera | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) | mariadb-galera | Will not fix |
| Red Hat Enterprise Linux 5 | mysql | Will not fix |
| Red Hat Enterprise Linux 5 | mysql55-mysql | Will not fix |
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