CVE-2017-7980

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:0983 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/04/21/1 mailing list third party advisory patch
https://access.redhat.com/errata/RHSA-2017:0982 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2017:1430 third party advisory vendor advisory
https://security.gentoo.org/glsa/201706-03 vdb entry third party advisory patch vendor advisory
http://ubuntu.com/usn/usn-3289-1 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1206 third party advisory vendor advisory
http://www.securityfocus.com/bid/97955 vdb entry third party advisory
http://www.securityfocus.com/bid/102129 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:0984 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:0988 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1441 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1430056 issue tracking third party advisory patch
https://access.redhat.com/errata/RHSA-2017:0981 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:0980 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1205 third party advisory vendor advisory
https://support.citrix.com/article/CTX230138 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7980?
CVE-2017-7980 has been scored as a high severity vulnerability.
How to fix CVE-2017-7980?
To fix CVE-2017-7980, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7980 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7980 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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