CVE-2017-7493

CVSS V2 Medium 4.6 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2017-7493
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-05-17T15:29:00
  • Last Modified Date
  • 2020-10-23T16:28:26
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.9.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1451709 Issue Tracking Patch Third Party Advisory
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://security.gentoo.org/glsa/201706-03 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Mailing List Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 16:22:18 Added to TrackCVE
2022-12-02 17:00:11 2017-05-17T15:29Z 2017-05-17T15:29:00 CVE Published Date updated
2022-12-02 17:00:11 2020-10-23T16:28:26 CVE Modified Date updated
2022-12-02 17:00:11 Analyzed Vulnerability Status updated