PT-2020-3371 · Mysql Server+7 · Mysql Server+7

Published

2020-07-14

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Updated

2023-05-18

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CVE-2020-14656

CVSS v3.1

7.2

High

VectorAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.0.20 and prior
Description The issue is related to insufficient input validation in the MySQL Server component, specifically in the Locking system. This can be exploited by a remote attacker to cause a denial of service, resulting in the ability to hang or crash the MySQL Server. The attack can be performed via multiple protocols and requires high privileges.
Recommendations For versions 8.0.20 and prior, update to a version that includes the fix for this issue to prevent exploitation. As a temporary workaround, consider restricting network access to the MySQL Server to minimize the risk of exploitation.

Exploit

Fix

RCE

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Weakness Enumeration

Related Identifiers

ALSA-2020:3732
ALT-PU-2020-2640
ALT-PU-2021-2380
ALT-PU-2021-3668
BDU:2020-03694
CESA-2020_3732
CVE-2020-14656
RHSA-2020:3518
RHSA-2020:3732
RHSA-2020:3755
RHSA-2020:3757
RHSA-2020_3732
RLSA-2020:3732
USN-4441-1
USN-4441-2

Affected Products

Alt Linux
Almalinux
Centos
Linuxmint
Mysql Server
Red Hat
Rocky Linux
Ubuntu