CVE-2017-2615

Impact:
Important
Public Date:
2017-01-24
IAVA:
2017-B-0024
CWE:
CWE-787
Bugzilla:
1418200: CVE-2017-2615 Qemu: display: cirrus: oob access while doing bitblt copy backward mode
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

Find out more about CVE-2017-2615 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:A/AC:M/Au:S/C:P/I:P/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.5
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack Vector Adjacent Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Low
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
Red Hat Enterprise Linux 7 (qemu-kvm) RHSA-2017:0396 2017-03-02
Red Hat Enterprise Linux 6 (qemu-kvm) RHSA-2017:0309 2017-02-23
Red Hat OpenStack Platform 8.0 (Liberty) (qemu-kvm-rhev) RHSA-2017:0330 2017-02-27
Red Hat Enterprise Linux Virtualization 5 (kvm) RHSA-2017:0454 2017-03-07
Red Hat OpenStack Platform 9.0 (qemu-kvm-rhev) RHSA-2017:0329 2017-02-27
RHEV Agents (vdsm) (qemu-kvm-rhev) RHSA-2017:0344 2017-02-28
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:0333 2017-02-27
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 (qemu-kvm-rhev) RHSA-2017:0334 2017-02-27
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:0331 2017-02-27
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) RHSA-2017:0332 2017-02-27
Red Hat OpenStack Platform 10 (qemu-kvm-rhev) RHSA-2017:0328 2017-02-27
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2017:0350 2017-03-01

Affected Packages State

Platform Package State
Red Hat OpenStack Platform 11.0 (Ocata) qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 5 xen Will not fix

Acknowledgements

Red Hat would like to thank Wjjzhang (Tencent.com Inc.) and Li Qiang (360.cn Inc.) for reporting this issue.

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