CVE-2020-35517

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.

CVSS v3.0 8.2 HIGH
CVSS v2.0 4.6 MEDIUM

8.2^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1915823	Issue Tracking Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html	Exploit Mailing List Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/01/22/1	Exploit Mailing List Patch Third Party Advisory
https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210312-0002/	Third Party Advisory
https://security.gentoo.org/glsa/202208-27	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Information

Published : 2021-01-28 12:15

Updated : 2023-02-12 15:41

NVD link : CVE-2020-35517

Mitre link : CVE-2020-35517

JSON object : View

CWE

CWE-269

Improper Privilege Management

Products Affected

qemu

qemu

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8.2 /10