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CVE-2017-3138

6.5 · MEDIUM

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.

Published Jan 16, 2019CWE-617EPSS 5.52%

Overview

CVE-2017-3138 is a medium-severity vulnerability. It was published on January 16, 2019 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/97657Refwww.securitytracker.com/id/1038260Refkb.isc.org/docs/aa-01471Refsecurity.gentoo.org/glsa/201708-01Refsecurity.netapp.com/advisory/ntap-20180802-0002/Refwww.debian.org/security/2017/dsa-3854Refwww.securityfocus.com/bid/97657Refwww.securitytracker.com/id/1038260Refkb.isc.org/docs/aa-01471Refsecurity.gentoo.org/glsa/201708-01

How CyberStrike helps

Frequently asked questions

What is CVE-2017-3138?

CVE-2017-3138 is a medium-severity vulnerability. It was published on January 16, 2019 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2017-3138?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-3138?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-3138?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-3138 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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