PT-2020-2406 · Oracle+6 · Mysql Server+5

Julien Ahrens · Published 2020-04-14 · Updated 2021-12-30 · CVE-2020-2774

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 Oracle MySQL Server versions 8.0.18 and prior

Description The issue is related to insufficient access control in the Server:Security:Privileges component of Oracle MySQL Server. It can be exploited by a remote attacker to cause a denial of service via the MySQL network protocol. Successful attacks can result in the ability to cause a hang or frequently repeatable crash of MySQL Server.

Recommendations For versions 8.0.18 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.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

ALSA-2020:3732

ALT-PU-2020-1885

ALT-PU-2020-1904

BDU:2020-02378

CESA-2020_3732

CVE-2020-2774

RHSA-2020:3518

RHSA-2020:3732

RHSA-2020:3755

RHSA-2020:3757

RHSA-2020_3732

RLSA-2020:3732

Affected Products

Alt Linux

Almalinux

Centos

Mysql Server

Red Hat

Rocky Linux

References · 227

• https://security.gentoo.org/glsa/202105-27 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77REFDB7DE4WNKQIRGZTF53RFBQOXQLC · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2020.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-2774 · Security Note
• https://errata.almalinux.org/8/ALSA-2020-3732.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SDGBQYS3A36S4CAZPV5YROHYXYZR6LAH · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2020:3732 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2020:3732 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSVLI36TYRTPQGCS24VZQUXCUFOUW4VQ · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2774 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-2774 · Security Note
• https://osv.dev/vulnerability/CVE-2020-2774 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02378 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-2774 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-3732.html · Vendor Advisory