CVE-2017-2615

moderate-risk
Published 2018-07-03

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
ADJACENT_NETWORK / HIGH complexity

Affected Products (20)

Affected Vendors

Debian Redhat Citrix Xen Qemu

References (42)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0309.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0328.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0329.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0330.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0331.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0332.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0333.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0334.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0344.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0350.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0396.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0454.html
Mailing List http://www.openwall.com/lists/oss-security/2017/02/01/6
Third Party Advisory http://www.securityfocus.com/bid/95990
Third Party Advisory http://www.securitytracker.com/id/1037804
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2615
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg00015.html
Third Party Advisory https://security.gentoo.org/glsa/201702-27
Third Party Advisory https://security.gentoo.org/glsa/201702-28
and 22 more references
39
/ 100
moderate-risk
Severity 14/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 22/34 · High