CVE-2020-35505

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
Description
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Overview
  • CVE ID
  • CVE-2020-35505
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-28T11:15:07
  • Last Modified Date
  • 2022-09-22T21:03:35
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 6.0.0
cpe:2.3:a:qemu:qemu:6.0.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:6.0.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 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:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1909769 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-27 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210713-0006/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-35505
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35505
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:28 Added to TrackCVE
2022-12-05 03:13:08 2021-05-28T11:15Z 2021-05-28T11:15:07 CVE Published Date updated
2022-12-05 03:13:08 2022-09-22T21:03:35 CVE Modified Date updated
2022-12-05 03:13:08 Analyzed Vulnerability Status updated
2022-12-05 03:13:13 References updated