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CVE-2018-10845

5.9 · MEDIUM

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack.

Published Aug 22, 2018CWE-385EPSS 3.62%

Overview

CVE-2018-10845 is a medium-severity vulnerability. It was published on August 22, 2018 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 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

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.

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.securityfocus.com/bid/105138Refaccess.redhat.com/errata/RHSA-2018:3050Refaccess.redhat.com/errata/RHSA-2018:3505Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845Refeprint.iacr.org/2018/747Refgitlab.com/gnutls/gnutls/merge_requests/657Reflists.debian.org/debian-lts-announce/2018/10/msg00022.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/Refusn.ubuntu.com/3999-1/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-10845?

CVE-2018-10845 is a medium-severity vulnerability. It was published on August 22, 2018 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2018-10845?

This vulnerability has a CVSS 3.1 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-2018-10845?

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-2018-10845?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-10845 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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