PT-2021-2887 · Oracle+6 · Mysql Server+5

Published 2021-02-15 · Updated 2021-12-31 · CVE-2021-2213

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Oracle MySQL Server versions 8.0.22 and prior

Description The issue is related to insufficient input validation in the Server: Optimizer component of Oracle MySQL Server. It allows a high-privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful attacks can result in the unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of the MySQL Server.

Recommendations For versions 8.0.22 and prior, update to a version later than 8.0.22 to resolve the issue. At the moment, there is no information about additional mitigation measures for this specific vulnerability.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALSA-2021:3590

ALT-PU-2021-1338

ALT-PU-2021-1686

ALT-PU-2021-2380

ALT-PU-2021-3668

BDU:2021-02456

CESA-2021_3590

CVE-2021-2213

RHSA-2021:3590

RHSA-2021:3811

RHSA-2021_3590

RLSA-2021:3590

Affected Products

Alt Linux

Almalinux

Centos

Mysql Server

Red Hat

Rocky Linux

References · 305

• 🔥 https://github.com/riptl/cve-2021-3449 · Exploit
• 🔥 https://github.com/terorie/cve-2021-3449 · Exploit
• 🔥 https://github.com/motikan2010/CVE-2020-5398 · Exploit
• 🔥 https://github.com/LeadroyaL/cve-2019-14540-exploit · Exploit
• 🔥 https://github.com/irsl/CVE-2020-1967 · Exploit
• 🔥 https://github.com/MBHudson/CVE-2020-1971 · Exploit
• https://errata.rockylinux.org/RLSA-2021:3590 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-2213 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-3590.html · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2021:3590 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2021-3590.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2213 · Security Note
• https://ubuntu.com/security/CVE-2021-2213 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2021.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-2213 · Vendor Advisory