Security restrictions bypass - CVE-2018-2787

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Main Vulnerability Database Vulnerabilities #VU12029

Security restrictions bypass - CVE-2018-2787

Published: April 20, 2018


Vulnerability identifier: #VU12029
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-2787
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated attacker to write arbitrary files and 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 update, insert or delete some of MySQL Server accessible data and cause the service to crash.

Affected software


Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Slackware Linux
Ubuntu
Fedora
Tivoli Network Manager IP Edition
openSUSE Leap
mariadb (Alpine package)
mysql-server-5.5 (Ubuntu package)
mysql-server-5.7 (Ubuntu package)
community-mysql
mariadb

How to mitigate CVE-2018-2787

Install update from vendor's website.

mariadb (Alpine package) - update to 10.1.37-r0
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