PT-2020-11953 · Macrium · Macrium Reflect

Will Dormann · Published 2020-12-09 · Updated 2021-12-20 · CVE-2020-10143

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Macrium Reflect (affected versions not specified)

Description The issue concerns a privileged service in Macrium Reflect that utilizes an OpenSSL component. This component specifies an OPENSSLDIR variable as C:openssl. Since unprivileged Windows users can create subdirectories off the system root, an attacker can create a specially-crafted openssl.cnf file to achieve arbitrary code execution with SYSTEM privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Improper Initialization

Weakness Enumeration

CWE-284

CWE-665

Related Identifiers

CVE-2020-10143

Affected Products

Macrium Reflect

References · 4

• https://osv.dev/vulnerability/CVE-2020-10143 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10143 · Security Note
• https://t.me/cvenotify/6942 · Telegram Post
• https://kb.cert.org/vuls/id/760767 · Note