CVE-2019-20808

Published: Dic 31, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2019-11345 Aliases: GSD-2019-20808
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: none
Availability: high
LOW 2,1
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0012
Percentile
0,3th
Updated

EPSS Score Trend (Last 90 Days)

125

Out-of-bounds Read

Draft
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
Application

Qemu by Qemu

cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.redhat.com/show_bug.cgi?id=1841136
Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1841136
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb…
https://security.netapp.com/advisory/ntap-20210205-0003/
https://bugzilla.redhat.com/show_bug.cgi?id=1841136
Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1841136
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb…
https://security.netapp.com/advisory/ntap-20210205-0003/