CVE-2017-7718

Description

hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org 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 Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/97957 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:0983 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:0982 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1443441 issue tracking third party advisory patch
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 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1206 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1431 third party advisory vendor 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
http://www.openwall.com/lists/oss-security/2017/04/19/4 mailing list third party advisory patch
https://access.redhat.com/errata/RHSA-2017:0981 third party advisory vendor advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=215902d7b6fb50c6fc216fc74f770858278ed904
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

Frequently Asked Questions

What is the severity of CVE-2017-7718?
CVE-2017-7718 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7718?
To fix CVE-2017-7718, 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-2017-7718 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7718 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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