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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2017-7493 Detail

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.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://seclists.org/oss-sec/2017/q2/278 Mailing List  Patch  Third Party Advisory 
http://www.securityfocus.com/bid/98574 Third Party Advisory  VDB Entry 
https://bugzilla.redhat.com/show_bug.cgi?id=1451709 Issue Tracking  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Mailing List  Third Party Advisory 
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html Mailing List  Patch  Third Party Advisory 
https://security.gentoo.org/glsa/201706-03 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-732 Incorrect Permission Assignment for Critical Resource cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7493
NVD Published Date:
05/17/2017
NVD Last Modified:
10/23/2020
Source:
Red Hat, Inc.