PT-2021-6598 · Oracle+8 · Mysql Server+7

Published 2021-07-20 · Updated 2021-12-31 · CVE-2021-2339

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 in the MySQL Server component, specifically in the Server: DDL subcomponent. This allows a remote attacker to cause a denial of service, potentially leading to a hang or frequent crash of the MySQL Server. The vulnerability can be easily exploited by a high-privileged attacker with network access via multiple protocols.

Recommendations For MySQL Server versions 8.0.25 and prior, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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

AZL-6693

BDU:2022-01864

CESA-2021_3590

CVE-2021-2339

OESA-2021-1311

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 · 347

• 🔥 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2402 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2340 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-2339 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2422 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-2437 · Vendor Advisory