PT-2019-16018 · Signal · Signal Desktop+1

Rich Mirch · Published 2019-12-24 · Updated 2020-08-24 · CVE-2019-19954

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 Signal Desktop versions prior to 1.29.1

Description The issue allows local users to gain privileges by creating a Trojan horse file, specifically %SYSTEMDRIVE% ode modules.binwmic.exe.

Recommendations For versions prior to 1.29.1, update to version 1.29.1 or later to resolve the issue.

Exploit

Fix

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

CVE-2019-19954

Affected Products

Esignal

Signal Desktop

References · 4

• 🔥 https://blog.mirch.io/2019/12/18/signal-desktop-windows-lpe · Exploit
• https://github.com/signalapp/Signal-Desktop/commit/2da39cca673cc11be3c6d70d4fb95889f9ab6688 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-19954 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19954 · Vendor Advisory