Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2017-7493): QEMU regression

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Ubuntu: (Multiple Advisories) (CVE-2017-7493): QEMU regression

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
05/17/2017
Created
07/25/2018
Added
09/13/2017
Modified
03/02/2020

Description

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.

Solution(s)

  • ubuntu-upgrade-qemu-system
  • ubuntu-upgrade-qemu-system-aarch64
  • ubuntu-upgrade-qemu-system-arm
  • ubuntu-upgrade-qemu-system-mips
  • ubuntu-upgrade-qemu-system-misc
  • ubuntu-upgrade-qemu-system-ppc
  • ubuntu-upgrade-qemu-system-s390x
  • ubuntu-upgrade-qemu-system-sparc
  • ubuntu-upgrade-qemu-system-x86

References

  • USN-3414-1
  • USN-3414-2
  • CVE-2017-7493
  • DLA-965-1

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;