Design/Logic Flaw

Open Whisper Signal aka Signal-Desktop through 1.10.1 allows XSS via a resource location specified in an attribute of a SCRIPT, IFRAME, or IMG element, leading to JavaScript execution after a reply, a different vulnerability than CVE-2018-10994. The attacker needs to send HTML code directly as a...

CVE-2018-11101

Open Whisper Signal aka Signal-Desktop through 1.10.1 allows XSS via a resource location specified in an attribute of a SCRIPT, IFRAME, or IMG element, leading to JavaScript execution after a reply, a different vulnerability than CVE-2018-10994. The attacker needs to send HTML code directly as a...

CVE-2018-11101

CVE-2018-11101 affects Signal Desktop (Open Whisper Signal) up to version 1.10.1. The vulnerability arises from incorrect handling of HTML when rendering quoted-reply messages, allowing XSS via HTML injected in a message that is later quoted/replied to. The root cause involved React dangerouslySe...

CVE-2018-11101

Open Whisper Signal aka Signal-Desktop through 1.10.1 allows XSS via a resource location specified in an attribute of a SCRIPT, IFRAME, or IMG element, leading to JavaScript execution after a reply, a different vulnerability than CVE-2018-10994. The attacker needs to send HTML code directly as a...

Another severe flaw in Signal desktop app lets hackers steal your chats in plaintext

For the second time in less than a week, users of the popular end-to-end encrypted Signal messaging app have to update their desktop applications once again to patch another severe code injection vulnerability. Discovered Monday by the same team of security researchers, the newly discovered...

Another severe flaw in Signal desktop app lets hackers steal your chats in plaintext

For the second time in less than a week, users of the popular end-to-end encrypted Signal messaging app have to update their desktop applications once again to patch another severe code injection vulnerability. Discovered Monday by the same team of security researchers, the newly discovered...

“I too like to live dangerously”, Accidentally Finding RCE in Signal Desktop via HTML Injection in Quoted Replies

Remediation TL;DR If you’re a concerned Signal user please update to the latest version of Signal Desktop fixed in version v1.11.0 which addresses all of these issues. Note that the mobile apps for Signal were not affected by this issue. Background Information If you’re an avid follower of all th...

“I too like to live dangerously”, Accidentally Finding RCE in Signal Desktop via HTML Injection in Quoted Replies

Remediation TL;DR If you're a concerned Signal user please update to the latest version of Signal Desktop fixed in version v1.11.0 which addresses all of these issues. Note that the mobile apps for Signal were not affected by this issue. Background Information If you're an avid follower of all th...

Open Whisper Signal Cross-Site Scripting Vulnerability

Open Whisper Signal aka Signal-Desktop is a live chat application with encryption. A cross-site scripting vulnerability exists in the js/views/messageview.js file in Open Whisper Signal versions prior to 1.10.1. A remote attacker can exploit this vulnerability to inject arbitrary web script or HT...

Signal Desktop HTML Tag Injection Variant 2

Title: Signal-desktop HTML tag injection variant 2 Date Published: 2018-05-16 Last Update: 2018-05-16 CVE Name: CVE-2018-11101 Class: Code injection Remotely Exploitable: Yes Locally Exploitable: No Vendors contacted: Signal.org Vulnerability Description: Signal-desktop is the standalone desktop...

Signal Desktop HTML Injection

Title: HTML tag injection in Signal-desktop Date Published: 14-05-2018 CVE Name: CVE-2018-10994 Class: Code injection Remotely Exploitable: Yes Locally Exploitable: No Vendors contacted: Signal.org Vulnerability Description: Signal-desktop is the standalone desktop version of the secure Signal...

CVE-2018-10994

js/views/messageview.js in Open Whisper Signal aka Signal-Desktop before 1.10.1 allows XSS via a URL...

CVE-2018-10994

js/views/messageview.js in Open Whisper Signal aka Signal-Desktop before 1.10.1 allows XSS via a URL...

Open redirect

js/views/messageview.js in Open Whisper Signal aka Signal-Desktop before 1.10.1 allows XSS via a URL...

CVE-2018-10994

Open Whisper Signal (Signal-Desktop)

CVE-2018-10994

js/views/messageview.js in Open Whisper Signal aka Signal-Desktop before 1.10.1 allows XSS via a URL...

Hackers Reveal How Code Injection Attack Works in Signal Messaging App

After the revelation of the eFail attack details, it's time to reveal how the recently reported code injection vulnerability in the popular end-to-end encrypted Signal messaging app works. As we reported last weekend, Signal has patched its messaging app for Windows and Linux that suffered a code...

Hackers Reveal How Code Injection Attack Works in Signal Messaging App

After the revelation of the eFail attack details, it's time to reveal how the recently reported code injection vulnerability in the popular end-to-end encrypted Signal messaging app works. As we reported last weekend, Signal has patched its messaging app for Windows and Linux that suffered a code...

Details on a New PGP Vulnerability

A new PGP vulnerability was announced today. Basically, the vulnerability makes use of the fact that modern e-mail programs allow for embedded HTML objects. Essentially, if an attacker can intercept and modify a message in transit, he can insert code that sends the plaintext in a URL to a remote...

Severe Bug Discovered in Signal Messaging App for Windows and Linux

Security researchers have discovered a severe vulnerability in the popular end-to-end encrypted Signal messaging app for Windows and Linux desktops which could allow remote attackers to execute malicious code on recipients system just by sending a message—without requiring any user interaction...