CVE Vulnerability

CVE-2019-17191

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://news.ycombinator.com/item?id=21161432 Exploit Issue Tracking
https://twitter.com/moxie/status/1180261210341511168 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1943 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:*
Information

Published : 2019-10-05 02:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-17191

Mitre link : CVE-2019-17191

Products Affected
No products.
CWE
CWE-863