CVE-2020-5753

MEDIUM

Description

Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote non-contact to ring a victim's Signal phone and disclose currently used DNS server due to ICE Candidate handling before call is answered or declined.

References

https://www.tenable.com/security/research/tra-2020-33

Details

Source: MITRE

Published: 2020-05-20

Updated: 2020-05-21

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:* versions up to 3.8.1.5 (inclusive)

cpe:2.3:a:signal:signal_private_messenger:*:*:*:*:*:android:*:* versions up to 4.59.0 (inclusive)