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CVE-2016-0270

5.9 · MEDIUM

IBM Domino 9.0.1 Fix Pack 3 Interim Fix 2 through 9.0.1 Fix Pack 5 Interim Fix 1, when using TLS and AES GCM, uses random nonce generation, which makes it easier for remote attackers to obtain the…

Published Feb 8, 2017CWE-200EPSS 3.10%

Overview

CVE-2016-0270 is a medium-severity vulnerability. It was published on February 8, 2017 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

IBM Domino 9.0.1 Fix Pack 3 Interim Fix 2 through 9.0.1 Fix Pack 5 Interim Fix 1, when using TLS and AES GCM, uses random nonce generation, which makes it easier for remote attackers to obtain the authentication key and spoof data by leveraging the reuse of a nonce in a session and a "forbidden attack." NOTE: this CVE has been incorrectly used for GCM nonce reuse issues in other products; see CVE-2016-10213 for the A10 issue, CVE-2016-10212 for the Radware issue, and CVE-2017-5933 for the Citrix issue.

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-01.ibm.com/support/docview.wss?uid=swg21979604Refwww-01.ibm.com/support/docview.wss?uid=swg21979669Refwww-01.ibm.com/support/docview.wss?uid=swg21979673Refwww.securityfocus.com/bid/96062Refwww.securitytracker.com/id/1037795GitHubgithub.com/nonce-disrespect/nonce-disrespectRefsupport.citrix.com/article/CTX220329Refwww-01.ibm.com/support/docview.wss?uid=swg21979604Refwww-01.ibm.com/support/docview.wss?uid=swg21979669Refwww-01.ibm.com/support/docview.wss?uid=swg21979673

How CyberStrike helps

Frequently asked questions

What is CVE-2016-0270?

CVE-2016-0270 is a medium-severity vulnerability. It was published on February 8, 2017 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2016-0270?

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-2016-0270?

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-2016-0270?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-0270 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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