PT-2020-3443 · Oracle+8 · Mysql Server+7

Published 2020-07-14 · Updated 2023-05-18 · CVE-2020-14620

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Oracle MySQL Server versions 8.0.20 and prior

Description The issue is related to insufficient access control in the Server: DML component of Oracle MySQL Server, allowing a remote attacker to cause a denial of service using the MySQL protocol. Successful attacks can result in the ability to cause a hang or frequently repeatable crash of MySQL Server.

Recommendations For versions 8.0.20 and prior, consider restricting network access to the MySQL Server until a patch is available. As a temporary workaround, limit the privileges of high-privileged attackers to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-264

Related Identifiers

ALSA-2020:3732

ALT-PU-2020-2640

ALT-PU-2021-2380

ALT-PU-2021-3668

BDU:2020-03767

CESA-2020_3732

CVE-2020-14620

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

References · 264

• 🔥 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://security.gentoo.org/glsa/202105-27 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14632 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-14620 · Security Note
• https://ubuntu.com/security/CVE-2020-14641 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14591 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2020-3732.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4441-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14643 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14550 · Vendor Advisory