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CVE-2018-0683

9.8 · CRITICAL

Buffer overflow in Denbun by NEOJAPAN Inc.

Published Nov 15, 2018CWE-119EPSS 3.58%

Overview

CVE-2018-0683 is a critical-severity vulnerability. It was published on November 15, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via Cookie data.

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

Refjvn.jp/en/jp/JVN00344155/index.htmlRefwww.denbun.com/en/imap/support/security/181003.htmlRefwww.denbun.com/en/pop/support/security/181003.htmlRefjvn.jp/en/jp/JVN00344155/index.htmlRefwww.denbun.com/en/imap/support/security/181003.htmlRefwww.denbun.com/en/pop/support/security/181003.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-0683?

CVE-2018-0683 is a critical-severity vulnerability. It was published on November 15, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-0683?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-0683?

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-2018-0683?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-0683 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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