CVE-2019-20808

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

2.1 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1841136 Issue Tracking Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13
https://security.netapp.com/advisory/ntap-20210205-0003/ Third Party Advisory
Configurations

Configuration 1 (hide)

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

07 Nov 2023, 03:09

Type Values Removed Values Added
References
  • {'url': 'https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13', 'name': 'https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • () https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 -

31 Mar 2021, 15:35

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20210205-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20210205-0003/ - Third Party Advisory

05 Feb 2021, 14:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210205-0003/ -

05 Jan 2021, 17:52

Type Values Removed Values Added
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1841136 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1841136 - Issue Tracking, Third Party Advisory
References (MISC) https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 - (MISC) https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 - Patch, Vendor Advisory
CWE CWE-125
CVSS v2 : unknown
v3 : unknown 		v2 : 2.1
v3 : 6.5
CPE cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*

31 Dec 2020, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2020-12-31 01:15

Updated : 2023-12-10 13:41

NVD link : CVE-2019-20808

Mitre link : CVE-2019-20808

CVE.ORG link : CVE-2019-20808

JSON object : View

Products Affected

qemu

  • qemu
CWE
CWE-125

Out-of-bounds Read