CVE-2017-2633
MEDIUMCVSS 5.4/10EPSS 3.04%
Last modified
CVE-2017-2633 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. EPSS estimates a 3.04% chance of exploitation in the next 30 days.
Description
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
Metrics
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 1.7.2 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://www.openwall.com/lists/oss-security/2017/02/23/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96417Third Party Advisory, VDB Entry
- 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-2017:1441Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1856Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633Issue Tracking, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/23/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96417Third Party Advisory, VDB Entry
- 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-2017:1441Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1856Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-2633?
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
How severe is CVE-2017-2633?
CVE-2017-2633 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 3.04% probability of exploitation in the next 30 days.
How do I fix CVE-2017-2633?
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-2017-2633?
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