CVE-2016-8637

low-risk
Published 2018-08-01

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.0/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Dracut

Affected Vendors

Dracut Project

References (8)

Exploit http://seclists.org/oss-sec/2016/q4/352
Third Party Advisory http://www.securityfocus.com/bid/94128
Exploit https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637
Patch https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc7...
Exploit http://seclists.org/oss-sec/2016/q4/352
Third Party Advisory http://www.securityfocus.com/bid/94128
Exploit https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637
Patch https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc7...
22
/ 100
low-risk
Severity 17/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal