CVE-2019-20808

CVSS V2 Low 2.1 CVSS V3 Medium 6.5
Description
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.
Overview
  • CVE ID
  • CVE-2019-20808
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-31T01:15:12
  • Last Modified Date
  • 2021-03-31T15:35:26
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-20808
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20808
History
Created Old Value New Value Data Type Notes
2022-05-10 07:17:38 Added to TrackCVE
2022-12-05 19:07:03 2020-12-31T01:15Z 2020-12-31T01:15:12 CVE Published Date updated
2022-12-05 19:07:03 2021-03-31T15:35:26 CVE Modified Date updated
2022-12-05 19:07:03 Analyzed Vulnerability Status updated