Denial of service in MySQL Server - CVE-2019-2486

Vulnerability identifier: #VU17045

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-2486

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote authenticated high-privileged attacker to cause DoS condition.

The weakness exists in MySQL Protocol due to unspecified flaw. A remote attacker can cause the service to crash.

MySQL Server
Amazon Linux AMI
Fedora
mysql-5.7 (Ubuntu package)
community-mysql

Install update from vendor's website.

MySQL Server - addressed in versions 5.7.25, 8.0.14
mysql-5.7 (Ubuntu package) - addressed in versions 5.7.25-0ubuntu0.16.04.2, 5.7.25-0ubuntu0.18.04.2, 5.7.25-0ubuntu0.18.10.2
community-mysql - addressed in versions 5.7.25-1.fc28, 8.0.15-1.fc29

• https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html#AppendixEM

• Multiple vulnerabilities in Oracle MySQL
• Ubuntu update for MySQL
• Amazon Linux AMI update for mysql57
• Fedora 29 update for community-mysql
• Fedora 28 update for community-mysql
• Multiple vulnerabilities in MySQL Server