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CVE-2016-8733

8.8 · HIGH

An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system.

Published Dec 14, 2016CWE-190EPSS 0.55%

Overview

CVE-2016-8733 is a high-severity vulnerability. It was published on December 14, 2016 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with native file systems. An attacker can craft an input that can cause a kernel panic and potentially be leveraged into a full privilege escalation vulnerability. This vulnerability is distinct from CVE-2016-9031.

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/94920Refwww.talosintelligence.com/reports/TALOS-2016-0248/Refwww.securityfocus.com/bid/94920Refwww.talosintelligence.com/reports/TALOS-2016-0248/

How CyberStrike helps

Frequently asked questions

What is CVE-2016-8733?

CVE-2016-8733 is a high-severity vulnerability. It was published on December 14, 2016 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2016-8733?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-8733?

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-2016-8733?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-8733 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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