High severity · published Dec 24, 2019
CVE-2019-19954
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file
7.3
CVSS
0.5%
EPSS
No
On KEV
Description
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
Signal-desktop · Signal
before 1.29.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19954
Exploit
https://blog.mirch.io/2019/12/18/signal-desktop-windows-lpe/
Patch
https://github.com/signalapp/Signal-Desktop/commit/2da39cca673cc11be3c6d70d4fb95889f9ab6688
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