CVE-2019-9970
Signal Desktop and Signal Messenger URL Rendering Font Vulnerability
Description
Open Whisper Signal (aka Signal-Desktop) through 1.23.1 and the Signal Private Messenger application through 4.35.3 for Android are vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.
INFO
Published Date :
March 24, 2019, 2:29 a.m.
Last Modified :
April 7, 2022, 5:55 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2019-9970
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-9970.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/107550 | Third Party Advisory VDB Entry |
| https://github.com/blazeinfosec/advisories/blob/master/signal-advisory.txt | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-9970 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-9970 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Apr. 07, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:signal:signal_private_messenger:*:*:*:*:*:android:*:* versions from (including) 4.35.3 OR *cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:* versions from (including) 4.35.3 -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-20 NVD-CWE-noinfo -
Reanalysis by [email protected]
Aug. 02, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:* versions up to (including) 4.35.3 *cpe:2.3:a:signal:signal-desktop:*:*:*:*:*:*:*:* versions up to (including) 1.23.1 OR *cpe:2.3:a:signal:signal-desktop:*:*:*:*:*:*:*:* versions up to (including) 1.23.1 *cpe:2.3:a:signal:signal_private_messenger:*:*:*:*:*:android:*:* versions up to (including) 4.35.3 -
Initial Analysis by [email protected]
Apr. 05, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Changed Reference Type https://github.com/blazeinfosec/advisories/blob/master/signal-advisory.txt No Types Assigned https://github.com/blazeinfosec/advisories/blob/master/signal-advisory.txt Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/107550 No Types Assigned http://www.securityfocus.com/bid/107550 Third Party Advisory, VDB Entry Added CWE CWE-20 Added CPE Configuration OR *cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:* versions up to (including) 4.35.3 *cpe:2.3:a:signal:signal-desktop:*:*:*:*:*:*:*:* versions up to (including) 1.23.1 -
CVE Modified by [email protected]
Mar. 25, 2019
Action Type Old Value New Value Removed Reference https://github.com/blazeinfosec/advisories/blob/c70c90bc7f8d82d4d20c42260770cbdeec834623/signal-advisory.txt [No Types Assigned] Added Reference https://github.com/blazeinfosec/advisories/blob/master/signal-advisory.txt [No Types Assigned] -
CVE Modified by [email protected]
Mar. 25, 2019
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/107550 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-9970 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-9970
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.01%
score
0.33048
percentile