CVE-2017-3138

Description

named contains a feature which allows operators to issue commands to a running server by communicating with the server process over a control channel, using a utility program such as rndc. A regression introduced in a recent feature change has created a situation under which some versions of named can be caused to exit with a REQUIRE assertion failure if they are sent a null command string. Affects BIND 9.9.9->9.9.9-P7, 9.9.10b1->9.9.10rc2, 9.10.4->9.10.4-P7, 9.10.5b1->9.10.5rc2, 9.11.0->9.11.0-P4, 9.11.1b1->9.11.1rc2, 9.9.9-S1->9.9.9-S9.

How to fix CVE-2017-3138

To remediate CVE-2017-3138, upgrade the affected package to a fixed version below.

• —upgrade to 9.11.0_p5-r0 or later
• —upgrade to 1:9.10.3.dfsg.P4-12.3 or later

Is CVE-2017-3138 being exploited?

Moderate — EPSS is 37.9%. Track this CVE but it's not at the top of the prioritisation list.

Affected packages (2)

• from 0, < 9.11.0_p5-r0
• from 0, < 1:9.10.3.dfsg.P4-12.3

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2017-3138
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2017-3138