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CVE-2016-8637

5.0 · MEDIUM

A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode upda…

Published Aug 1, 2018CWE-732EPSS 0.31%

Overview

CVE-2016-8637 is a medium-severity vulnerability. It was published on August 1, 2018 and has a CVSS 3.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.

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

Refseclists.org/oss-sec/2016/q4/352Refwww.securityfocus.com/bid/94128Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637GitHubgithub.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4Refseclists.org/oss-sec/2016/q4/352Refwww.securityfocus.com/bid/94128Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637GitHubgithub.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4

How CyberStrike helps

Frequently asked questions

What is CVE-2016-8637?

CVE-2016-8637 is a medium-severity vulnerability. It was published on August 1, 2018 and has a CVSS 3.0 base score of 5.0 (MEDIUM).

How severe is CVE-2016-8637?

This vulnerability has a CVSS 3.0 base score of 5.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-8637?

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-2016-8637?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-8637 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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