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CVE-2017-7718

5.5 · MEDIUM

hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copyi…

Published Apr 20, 2017CWE-125EPSS 0.50%

Overview

CVE-2017-7718 is a medium-severity vulnerability. It was published on April 20, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 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

hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.

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

Refgit.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=215902d7b6fb50c6fc216fc74f770858278ed904Refwww.openwall.com/lists/oss-security/2017/04/19/4Refwww.securityfocus.com/bid/97957Refaccess.redhat.com/errata/RHSA-2017:0980Refaccess.redhat.com/errata/RHSA-2017:0981Refaccess.redhat.com/errata/RHSA-2017:0982Refaccess.redhat.com/errata/RHSA-2017:0983Refaccess.redhat.com/errata/RHSA-2017:0984Refaccess.redhat.com/errata/RHSA-2017:0988Refaccess.redhat.com/errata/RHSA-2017:1205

How CyberStrike helps

Frequently asked questions

What is CVE-2017-7718?

CVE-2017-7718 is a medium-severity vulnerability. It was published on April 20, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2017-7718?

This vulnerability has a CVSS 3.1 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-2017-7718?

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-2017-7718?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-7718 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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