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CVE-2017-3136

5.9 · MEDIUM

A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate.

Published Jan 16, 2019CWE-617EPSS 11.18%

Overview

CVE-2017-3136 is a medium-severity vulnerability. It was published on January 16, 2019 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate. An attacker could deliberately construct a query, enabling denial-of-service against a server if it was configured to use the DNS64 feature and other preconditions were met. Affects BIND 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8.

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

Reflists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlRefwww.securityfocus.com/bid/97653Refwww.securitytracker.com/id/1038259Refaccess.redhat.com/errata/RHSA-2017:1095Refaccess.redhat.com/errata/RHSA-2017:1105Refh20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03747en_usRefkb.isc.org/docs/aa-01465Refsecurity.gentoo.org/glsa/201708-01Refsecurity.netapp.com/advisory/ntap-20180802-0002/

How CyberStrike helps

Frequently asked questions

What is CVE-2017-3136?

CVE-2017-3136 is a medium-severity vulnerability. It was published on January 16, 2019 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2017-3136?

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-3136?

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-2017-3136?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-3136 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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