PT-2020-2555 · Oracle+8 · Mysql Server+7

Bao Zhen · Published 2020-02-14 · Updated 2022-01-04 · CVE-2020-2926

Positive Technologies (AI Summary)

CVSS v2.0

6.3

Medium

Base vector

AV:N/AC:M/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.0.19 and prior

Description The issue is related to insufficient access control in the Server:Group Replication GCS component of Oracle MySQL Server. It can be exploited by a remote attacker to cause a denial of service via the MySQL network protocol. A successful attack can result in the ability to cause a hang or frequently repeatable crash of MySQL Server.

Recommendations For versions 8.0.19 and prior, update to a version that includes the fix for this issue to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-264

Related Identifiers

ALSA-2020:3732

ALT-PU-2020-1220

ALT-PU-2020-1827

ALT-PU-2020-1885

ALT-PU-2020-1904

BDU:2020-02583

CESA-2020_3732

CVE-2020-2926

RHSA-2020:3518

RHSA-2020:3732

RHSA-2020:3755

RHSA-2020:3757

RHSA-2020_3732

RLSA-2020:3732

USN-4350-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Mysql Server

Red Hat

Rocky Linux

Ubuntu

References · 257

• https://ubuntu.com/security/CVE-2020-2925 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2895 · Vendor Advisory
• https://security.gentoo.org/glsa/202105-27 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2759 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2812 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2898 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/77REFDB7DE4WNKQIRGZTF53RFBQOXQLC · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/TSVLI36TYRTPQGCS24VZQUXCUFOUW4VQ · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2892 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2020.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02583 · Security Note
• https://ubuntu.com/security/CVE-2020-2763 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2921 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2780 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2020-3732.html · Vendor Advisory