CVE-2019-17191

Summary

CVECVE-2019-17191
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-10-05 02:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-863

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Signal Private Messenger All All All All
Application Signal Private Messenger All All All All

References

ReferenceSourceLinkTags
Moxie Marlinspike on Twitter: "Thanks to Natalie for finding this! Worth noting that it was Android only, your phone would ring, display as a connected call, and log the completed call at the top of your conversation list. It’s not silently “enabling the microphone.” Also fixed.… https://t.co/boyOh6QzNO" MISC twitter.com Third Party Advisory
Issue 1943 - project-zero - Project Zero - Monorail MISC bugs.chromium.org Exploit, Third Party Advisory
Signal: Incoming call can be connected without user interaction | Hacker News MISC news.ycombinator.com Exploit, Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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