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CVE-2016-4739

3.7 · LOW

mDNSResponder in Apple OS X before 10.12, when VMnet.framework is used, arranges for a DNS proxy to listen on all interfaces, which allows remote attackers to obtain sensitive information by sendin…

Published Sep 25, 2016CWE-200EPSS 1.50%

Overview

CVE-2016-4739 is a low-severity vulnerability. It was published on September 25, 2016 and has a CVSS 3.0 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.0 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

mDNSResponder in Apple OS X before 10.12, when VMnet.framework is used, arranges for a DNS proxy to listen on all interfaces, which allows remote attackers to obtain sensitive information by sending a DNS query to an unintended interface.

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.apple.com/archives/security-announce/2016/Sep/msg00006.htmlRefwww.securityfocus.com/bid/93055Refwww.securitytracker.com/id/1036858Refsupport.apple.com/HT207170Reflists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlRefwww.securityfocus.com/bid/93055Refwww.securitytracker.com/id/1036858Refsupport.apple.com/HT207170

How CyberStrike helps

Frequently asked questions

What is CVE-2016-4739?

CVE-2016-4739 is a low-severity vulnerability. It was published on September 25, 2016 and has a CVSS 3.0 base score of 3.7 (LOW).

How severe is CVE-2016-4739?

This vulnerability has a CVSS 3.0 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-4739?

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-2016-4739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-4739 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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