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CVE-2014-3859

5.0 · MEDIUM

libdns in ISC BIND 9.10.0 before P2 does not properly handle EDNS options, which allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a crafted packe…

Published Jun 13, 2014iscCWE-20EPSS 6.98%

Overview

CVE-2014-3859 is a medium-severity vulnerability affecting isc bind. It was published on June 13, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

libdns in ISC BIND 9.10.0 before P2 does not properly handle EDNS options, which allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a crafted packet, as demonstrated by an attack against named, dig, or delv.

Remediation

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. 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.

Affected products

VendorProductVersionsStatus

References

Refsecunia.com/advisories/58946Refwww.securityfocus.com/bid/68193Refwww.securitytracker.com/id/1030414Refkb.isc.org/article/AA-01166/Refkb.isc.org/article/AA-01171/Refsecunia.com/advisories/58946Refwww.securityfocus.com/bid/68193Refwww.securitytracker.com/id/1030414Refkb.isc.org/article/AA-01166/Refkb.isc.org/article/AA-01171/

How CyberStrike helps

Frequently asked questions

What is CVE-2014-3859?

CVE-2014-3859 is a medium-severity vulnerability affecting isc bind. It was published on June 13, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-3859?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2014-3859?

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. 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-2014-3859?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-3859 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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