CVE-2017-2633

Impact:
Moderate
Public Date:
2016-12-01
CWE:
CWE-120
Bugzilla:
1425939: CVE-2017-2633 Qemu: VNC: memory corruption due to unchecked resolution limit
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) 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.

Find out more about CVE-2017-2633 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 3.8
Base Metrics AV:A/AC:M/Au:S/C:N/I:P/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.4
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality None
Integrity Impact Low
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
RHEV Agents (vdsm) (qemu-kvm-rhev) RHSA-2017:1205 2017-05-09
Red Hat Enterprise Linux 7 (qemu-kvm) RHSA-2017:1856 2017-08-01
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 (qemu-kvm-rhev) RHSA-2017:1441 2017-06-14
Red Hat Enterprise Linux 6 (qemu-kvm) RHSA-2017:1206 2017-05-09

Affected Packages State

Platform Package State
Red Hat OpenStack Platform 9.0 qemu-kvm-rhev Not affected
Red Hat OpenStack Platform 8.0 (Liberty) qemu-kvm-rhev Not affected
Red Hat OpenStack Platform 10 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 7 qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux 5 kvm Will not fix
Red Hat Enterprise Linux 5 xen Will not fix
Last Modified