CVE-2019-17191

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Third-Party Advisory chromium.org Third-Party Advisory ycombinator.com Third-Party Advisory twitter.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://news.ycombinator.com/item?id=21161432 issue tracking exploit third party advisory
https://twitter.com/moxie/status/1180261210341511168 third party advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1943 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-17191?
CVE-2019-17191 has been scored as a high severity vulnerability.
How to fix CVE-2019-17191?
To fix CVE-2019-17191, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-17191 being actively exploited in the wild?
It is possible that CVE-2019-17191 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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