CVE-2019-9970 describes an IDN homograph attack vulnerability affecting Open Whisper Signal Desktop through version 1.23.1 and Signal Private Messenger for Android through 4.35.3. The flaw allows malicious actors to craft URLs that appear legitimate due to the mixing of visually identical characters from different alphabets, leading to a clickable link to a deceptive domain. Rated 6.5 MEDIUM, this vulnerability requires user interaction (UI:R) and could lead to high integrity impacts (I:H) if a user clicks a malicious link, potentially enabling phishing or credential theft. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.35.3CPE matchmatch criteria | cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:* | ||
<= 1.23.1CPE matchmatch criteria | cpe:2.3:a:signal:signal-desktop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.