CVE-2021-2390: MySQL memcached Plugin Integer Underflow Remote Code Execution Vulnerability
First published: Tue Jul 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated 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 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle MySQL | ||
| Oracle Mysql Server | >=5.7.0<=5.7.34 | |
| Oracle Mysql Server | >=8.0.0<=8.0.25 | |
| NetApp OnCommand Insight | ||
| redhat/mysql | <5.7.35 | 5.7.35 |
| redhat/mysql | <8.0.26 | 8.0.26 |
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Reference Links
- https://security.netapp.com/advisory/ntap-20210723-0001/
- https://www.oracle.com/security-alerts/cpujul2021.html
- https://www.zerodayinitiative.com/advisories/ZDI-21-881/
- http://www.oracle.com/security-alerts/cpujul2021.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992821
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992822
- https://access.redhat.com/errata/RHSA-2021:3590
- https://access.redhat.com/security/cve/cve-2021-2390
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1992310
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