PT-2020-13110 · Splashtop+1 · Splashtop Business+3

Published 2020-05-21 · Updated 2021-07-21 · CVE-2020-12431

Positive Technologies (AI Summary)

CVSS v3.1

6.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Splashtop Software Updater versions prior to 1.5.6.16 Splashtop Streamer versions prior to 3.3.8.0 Splashtop Business versions prior to 3.3.8.0

Description A Windows privilege change issue was discovered in the affected software. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking.

Recommendations For Splashtop Software Updater versions prior to 1.5.6.16, update to version 1.5.6.16 or later. For Splashtop Streamer versions prior to 3.3.8.0, update to version 3.3.8.0 or later. For Splashtop Business versions prior to 3.3.8.0, update to version 3.3.8.0 or later.

Exploit

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2020-12431

Affected Products

Splashtop Business

Splashtop Software Updater

Splashtop Streamer

Windows

References · 5

• 🔥 https://improsec.com/tech-blog/privilege-escalation-vulnerability-in-splashtop-streamer · Exploit
• https://osv.dev/vulnerability/CVE-2020-12431 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12431 · Security Note
• https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/360042648231-Splashtop-Streamer-version-3-3-8-0-for-Windows-released-includes-SOS-version-3-3-8-0 · Vendor Advisory
• https://t.me/cvenotify/3982 · Telegram Post