CVE-2019-17191

HIGH

7.5

CVSS Severity Score

EPSS Score0.0620%

EPSS Percentile7.49th

Published2019年10月5日

Last Modified2024年11月21日

Vulnerability Description

The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.

Affected Platforms (CPE)

📦

Signal

Private Messenger

< 4.47.7

References & Advisories

🔗 https://bugs.chromium.org/p/project-zero/issues/detail?id=1943

🔗 https://news.ycombinator.com/item?id=21161432

🔗 https://twitter.com/moxie/status/1180261210341511168