CVE-2020-35517 Detail

Current Description

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  8.2 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1915823 Issue Tracking  Vendor Advisory 
https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c Release Notes 
https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html Exploit  Mailing List  Patch  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20210312-0002/ Third Party Advisory 
https://www.openwall.com/lists/oss-security/2021/01/22/1 Exploit  Mailing List  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-269 Improper Privilege Management cwe source acceptance level NIST  
CWE-284 Improper Access Control Provider acceptance level Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-35517
NVD Published Date:
01/28/2021
NVD Last Modified:
03/31/2021
Source:
Red Hat, Inc.