Security restrictions bypass - CVE-2018-2761

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Main Vulnerability Database Vulnerabilities #VU12012

Security restrictions bypass - CVE-2018-2761

Published: April 20, 2018 / Updated: December 6, 2018


Vulnerability identifier: #VU12012
CSH Severity: Low
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-2761
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the MySQL Server component of Oracle MySQL due to improper security restrictions. A remote attacker can cause the service to crash.

Affected software


Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power
Slackware Linux
Ubuntu
Fedora
Tivoli Network Manager IP Edition
openSUSE Leap
mariadb (Alpine package)
mysql-5.5 (Debian package)
mysql-server-5.5 (Ubuntu package)
mysql-server-5.7 (Ubuntu package)
community-mysql
mariadb

How to mitigate CVE-2018-2761

Install update from vendor's website.

- addressed in versions 5.5.60, 5.6.40, 5.7.22
mariadb (Alpine package) - update to 10.1.37-r0
mysql-5.5 (Debian package) - addressed in versions 5.5.60-0+deb8u1, 5.5.62-0+deb8u1
mysql-server-5.5 (Ubuntu package) - update to 5.5.60-0ubuntu0.14.04.1
mysql-server-5.7 (Ubuntu package) - addressed in versions 5.7.22-0ubuntu0.16.04.1, 5.7.22-0ubuntu0.17.10.1, 5.7.22-0ubuntu18.04.1
community-mysql - addressed in versions 5.7.22-1.fc26, 5.7.22-1.fc27, 5.7.22-1.fc28
mariadb - addressed in versions 10.1.33-1.fc26, 10.2.15-2.fc27, 10.2.15-2.fc28

External References

Related Security Bulletins