PT-2020-4524 · Mysql Server+7 · Mysql Server+7

Published 2020-10-20 · Updated 2021-12-31 · CVE-2020-14785

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 8.0.21 and prior

Description The issue is related to insufficient input validation in the MySQL Server component, specifically in the Optimizer subsystem. This can be exploited by a remote attacker to cause a denial of service, potentially leading to a hang or frequent crashes of the MySQL Server. The vulnerability can be exploited via multiple network protocols.

Recommendations For MySQL Server versions 8.0.21 and prior, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALSA-2021:3590

ALT-PU-2020-3284

ALT-PU-2021-2380

ALT-PU-2021-3668

BDU:2020-05073

CESA-2021_3590

CVE-2020-14785

RHSA-2021:3590

RHSA-2021:3811

RHSA-2021_3590

RLSA-2021:3590

USN-4604-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Mysql Server

Red Hat

Rocky Linux

Ubuntu

References · 359

• 🔥 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://lists.fedoraproject.org/archives/list/[e-mail]/message/ZVS6KNVBZCLZBKNJ5JA2PGAG3NTOJVH6 · Vendor Advisory
• https://security.gentoo.org/glsa/202105-27 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14830 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14791 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2021:3590 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14821 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14837 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2021:3590 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4604-1 · Vendor Advisory