National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-5683 Detail

Current 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.

Source:  MITRE      Last Modified:  01/23/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2018-5683
Original release date:
01/23/2018
Last revised:
02/12/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.0 Medium
Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H (legend)
Impact Score:
4.0
Exploitability Score:
1.5
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.openwall.com/lists/oss-security/2018/01/15/2 Mailing List; Patch; Third Party Advisory External Source MLIST [oss-security] 20180115 CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine
http://www.securityfocus.com/bid/102518 Third Party Advisory; VDB Entry External Source BID 102518
https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.html Issue Tracking; Third Party Advisory External Source MLIST [Qemu-devel] 20180112 Re: [Qemu-devel] [PATCH v3] vga: check the validation of memory addr when draw text

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

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