CVE-2017-7718
MEDIUMCVSS 5.5/10EPSS 0.50%
Last modified
CVE-2017-7718 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 2.8.1.1 | — |
| Qemu | Qemu | 2.9.0 | Rc0 |
| Debian | Debian Linux | 8.0 | — |
References
- http://www.openwall.com/lists/oss-security/2017/04/19/4Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/97957Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0980Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0981Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0982Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0983Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0984Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0988Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1205Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1206Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1430Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1431Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1441Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1443441Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/04/19/4Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/97957Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0980Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0981Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0982Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0983Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0984Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0988Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1205Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1206Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1430Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1431Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1441Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1443441Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-7718?
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.
How severe is CVE-2017-7718?
CVE-2017-7718 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7718?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-7718?
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