PT-2019-1870 · Oracle+6 · Mysql Server+5

Published 2019-04-16 · Updated 2023-01-30 · CVE-2019-2686

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Oracle MySQL versions 8.0.15 and prior

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

Recommendations For versions 8.0.15 and prior, update to a version that contains a 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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

ALSA-2019:2511

ALT-PU-2019-2111

ALT-PU-2019-2216

BDU:2019-01522

CESA-2019_2511

CVE-2019-2686

RHSA-2019:2484

RHSA-2019:2511

RHSA-2019_2511

RLSA-2019:2511

Affected Products

Alt Linux

Almalinux

Centos

Mysql Server

Red Hat

Rocky Linux

References · 500

• https://linux.oracle.com/errata/ELSA-2019-2511.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2593 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2691 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2535 · Security Note
• https://osv.dev/vulnerability/CVE-2019-2686 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2740 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2531 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2695 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2539 · Security Note
• https://bdu.fstec.ru/vul/2019-00447 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2819 · Security Note
• https://bdu.fstec.ru/vul/2019-01669 · Security Note
• https://access.redhat.com/errata/RHSA-2019:2511 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-01524 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2436 · Security Note