PT-2022-11743 · Showmypc · Showmypc

Published 2022-07-17 · Updated 2022-07-26 · CVE-2021-42923

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ShowMyPC version 3606

Description The issue is related to a DLL hijack vulnerability. An attacker can exploit this by overwriting the file %temp%ShowMyPC-ShowMyPC3606wodVPN.dll with malicious code, which will then run with normal user privileges, unless ShowMyPC is run as administrator.

Recommendations For ShowMyPC version 3606, consider restricting access to the %temp%ShowMyPC-ShowMyPC3606 directory to prevent overwrite of the wodVPN.dll file until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

CVE-2021-42923

Affected Products

Showmypc

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-42923 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42923 · Vendor Advisory
• http://showmypc.com · Vendor Advisory
• https://f20.be/cves/showmypc-cve-2021-42923 · Note
• https://t.me/cvenotify/33751 · Telegram Post