CVE Vulnerability

CVE-2019-20808

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2 / Impact : 4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1841136 Issue Tracking Third Party Advisory
https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210205-0003/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*
Information

Published : 2020-12-31 01:15

Updated : 2021-03-31 03:35

NVD link : CVE-2019-20808

Mitre link : CVE-2019-20808

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read