CVE-2016-9603
5.5 · MEDIUMOverview
CVE-2016-9603 is a medium-severity vulnerability affecting qemu qemu. It was published on July 27, 2018 and has a CVSS 3.0 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
Remediation
Check the references section for vendor advisories and patches from qemu. Update qemu to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| qemu | qemu | >= 0, < 2.9.0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-9603?
CVE-2016-9603 is a medium-severity vulnerability affecting qemu qemu. It was published on July 27, 2018 and has a CVSS 3.0 base score of 5.5 (MEDIUM).
How severe is CVE-2016-9603?
This vulnerability has a CVSS 3.0 base score of 5.5, 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-2016-9603?
Check the references section for vendor advisories and patches from qemu. Update qemu to the latest patched version. 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-2016-9603?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-9603 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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