![]() Utilize cutting-edge methods of sanitation like DOMPurify, for example. It is best not to alter the data once it has been sanitized.Īfter sanitization, you should try not to re-parse the HTML if at all feasible. ![]() The following is a list of recommendations made by SonarSource to help you avoid similar vulnerabilities in your own code: This action addressed the particular vulnerabilities and decreased the attack surface, which contributed to an improvement in the system’s overall security. The method that Proton Mail used to reduce the risk posed by these vulnerabilities entailed completely deleting support for SVG from the service. Because of this proactive approach, there was no known instance of the vulnerabilities being exploited. Proton Mail swiftly responded to the problems and put in place remedies to strengthen its security posture. The SonarSource Research team responsibly notified these vulnerabilities to Proton Mail, which prompted the vendor to take rapid action. Pwn2Own Miami paid $400,000 USD for 26 zero-day exploits on ICS and SCADA products This made it possible for attackers to insert malicious code. Due to variations in the parsing rules between HTML and SVG, the vulnerabilities were connected with SVG components that were included in emails. In spite of the fact that Proton Mail used a cutting-edge HTML sanitizer, DOMPurify’s intricate coding flaws made it possible for cybercriminals to circumvent security protocols and modify the way in which material was shown. Cross-Site Scripting (XSS) concerns, a prevalent security problem when dealing with user-controlled HTML in online applications, were at the heart of the vulnerabilities. Even while the attack may have been successful with only message views, the most successful cases entailed users clicking on a link inside a follow-up email. In most cases, the attack required victims to see the messages or click on the links included within them. ![]() Mend Note: After conducting further research, Mend has determined that versions 10.0.x of :tomcat-catalina are vulnerable to CVE-2022-45143.įor more information on CVSS3 Scores, click here.įix Resolution (:tomcat-embed-core): 9.0.69ĭirect dependency fix Resolution (:spring-boot-starter-web): 2.7.In order to carry out an attack, threat actors need to deceive Proton Mail users into engaging with messages that have been maliciously created. In some circumstances these are constructed from user provided data and it was therefore possible for users to supply values that invalidated or manipulated the JSON output. The JsonErrorReportValve in Apache Tomcat 8.5.83, 9.0.40 to 9.0.68 and 10.1.0-M1 to 10.1.1 did not escape the type, message or description values.
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