Security restrictions bypass in MySQL Server - CVE-2019-2503

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Main Vulnerability Database Vulnerabilities #VU17029

Security restrictions bypass in MySQL Server - CVE-2019-2503

Published: January 17, 2019


Vulnerability identifier: #VU17029
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-2503
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an adjacent authenticated attacker to bypass security restrictions.

The weakness exists in MySQL Protocol due to unspecified flaw. An adjacent attacker can bypass security restrictions to read potentially sensitive information and cause the service to crash.

Affected software

MySQL Server
Amazon Linux AMI
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Fedora
Opensuse
Tivoli Network Manager IP Edition
Data Computing Appliance (DCA)
mysql-5.7 (Ubuntu package)
mariadb (Red Hat package)
community-mysql

How to mitigate CVE-2019-2503

Install update from vendor's website.

MySQL Server - addressed in versions 5.6.43, 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
Data Computing Appliance (DCA) - update to 4.3.0.0
mariadb (Red Hat package) - update to 5.5.64-1.el7
community-mysql - addressed in versions 5.7.25-1.fc28, 8.0.15-1.fc29

External References

Related Security Bulletins