CVE-2017-15124

Qemu: memory exhaustion through framebuffer update request message in VNC server

Published Jan 9, 2018 CVSS 3.0 · 7.5 High EPSS 2.8% KEV · Not listed
Description
VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4213-1 qemu security update
EUVD EUVD EUVD-2017-6585 VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host.
Ubuntu USN Ubuntu USN USN-3575-1 QEMU vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 7:50 PM
Reserved
Oct 8, 2017, 12:00 AM
Status
Modified
Published
Jan 9, 2018, 9:29 PM
Modified
Jun 17, 2026, 1:07 AM
Severity
Low
Public date
Dec 18, 2017, 12:00 AM