CVE-2018-5683

Public Exploit

Description

The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:2162 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html third party advisory mailing list
https://www.debian.org/security/2018/dsa-4213 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0816 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1104 third party advisory vendor advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.html mailing list third party advisory exploit
https://usn.ubuntu.com/3575-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/102518 third party advisory vdb entry
http://www.openwall.com/lists/oss-security/2018/01/15/2 patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5683?
CVE-2018-5683 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5683?
To fix CVE-2018-5683, 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-2018-5683 being actively exploited in the wild?
It is possible that CVE-2018-5683 is being exploited or will be exploited in a near future based on public information. 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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