PT-2021-6823 · Oracle+8 · Mysql Server+7

Published 2021-07-20 · Updated 2021-12-31 · CVE-2021-2422

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.0.25 and prior

Description The issue is related to errors in resource release, allowing a remote attacker to cause a denial of service. A high-privileged attacker with network access via multiple protocols can exploit this to compromise the MySQL Server, resulting in the ability to cause a hang or frequently repeatable crash, leading to a complete denial of service.

Recommendations For versions 8.0.25 and prior, update to a version later than 8.0.25 to resolve the issue. At the moment, there is no information about additional mitigation measures for this specific vulnerability.

Exploit

Fix

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

ALSA-2021:3590

ALT-PU-2021-2461

ALT-PU-2021-2477

ALT-PU-2021-2571

ALT-PU-2021-3668

BDU:2022-02248

CESA-2021_3590

CVE-2021-2422

RHSA-2021:3590

RHSA-2021:3811

RHSA-2021_3590

RLSA-2021:3590

USN-5022-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Mysql Server

Red Hat

Rocky Linux

Ubuntu

References · 337

• 🔥 https://github.com/terorie/cve-2021-3449 · Exploit
• 🔥 https://github.com/riptl/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://ubuntu.com/security/CVE-2021-2389 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2021:3590 · Vendor Advisory
• https://oracle.com/security-alerts/cpujul2021.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2402 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2340 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2422 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2437 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-2422 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5022-1 · Vendor Advisory