CVE-2017-7980

moderate-risk
Published 2017-07-25

Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.

Do I need to act?

-
0.17% chance of exploitation
EPSS score — low 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
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Debian Canonical Redhat Qemu

References (36)

Third Party Advisory http://ubuntu.com/usn/usn-3289-1
Mailing List http://www.openwall.com/lists/oss-security/2017/04/21/1
Third Party Advisory http://www.securityfocus.com/bid/102129
Third Party Advisory http://www.securityfocus.com/bid/97955
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0980
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0981
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0982
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0983
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0984
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:0988
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1205
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1206
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1430
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1441
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1430056
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Patch https://security.gentoo.org/glsa/201706-03
Third Party Advisory https://support.citrix.com/article/CTX230138
Third Party Advisory http://ubuntu.com/usn/usn-3289-1
Mailing List http://www.openwall.com/lists/oss-security/2017/04/21/1
and 16 more references
47
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 22/34 · High