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CVE-2024-32668

Sept. 5, 2024, 9:25 p.m.

CVSS Score

8.2 / 10

Products Impacted

Vendor Product Versions
freebsd
  • freebsd
  • *, 13.3, 13.4, 14.0, 14.1

Description

An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller. A malicious, privileged software running in a guest VM can exploit the vulnerability to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.

Weaknesses

CWE-193
Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

CWE ID: 193
CWE-787
Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

CWE ID: 787

Date

Published: Sept. 5, 2024, 5:15 a.m.

Last Modified: Sept. 5, 2024, 9:25 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secteam@freebsd.org

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o freebsd freebsd / / / / / / / /
o freebsd freebsd 13.3 - / / / / / /
o freebsd freebsd 13.3 p1 / / / / / /
o freebsd freebsd 13.3 p2 / / / / / /
o freebsd freebsd 13.3 p3 / / / / / /
o freebsd freebsd 13.3 p4 / / / / / /
o freebsd freebsd 13.3 p5 / / / / / /
o freebsd freebsd 13.4 beta3 / / / / / /
o freebsd freebsd 14.0 - / / / / / /
o freebsd freebsd 14.0 beta5 / / / / / /
o freebsd freebsd 14.0 p1 / / / / / /
o freebsd freebsd 14.0 p2 / / / / / /
o freebsd freebsd 14.0 p3 / / / / / /
o freebsd freebsd 14.0 p4 / / / / / /
o freebsd freebsd 14.0 p5 / / / / / /
o freebsd freebsd 14.0 p6 / / / / / /
o freebsd freebsd 14.0 p7 / / / / / /
o freebsd freebsd 14.0 p8 / / / / / /
o freebsd freebsd 14.0 p9 / / / / / /
o freebsd freebsd 14.0 rc3 / / / / / /
o freebsd freebsd 14.0 rc4-p1 / / / / / /
o freebsd freebsd 14.1 - / / / / / /
o freebsd freebsd 14.1 p1 / / / / / /
o freebsd freebsd 14.1 p2 / / / / / /
o freebsd freebsd 14.1 p3 / / / / / /

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
8.2
Exploitability Score
1.5
Impact Score
6.0
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References