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Over Dozen Popular Email Clients Found Vulnerable to Signature Spoofing Attacks

Over Dozen Popular Email Clients Found Vulnerable to Signature Spoofing Attacks
Apr 30, 2019
A team of security researchers has discovered several vulnerabilities in various implementations of OpenPGP and S/MIME email signature verification that could allow attackers to spoof signatures on over a dozen of popular email clients. The affected email clients include Thunderbird, Microsoft Outlook, Apple Mail with GPGTools, iOS Mail, GpgOL, KMail, Evolution, MailMate, Airmail, K-9 Mail, Roundcube and Mailpile. When you send a digitally signed email, it offers end-to-end authenticity and integrity of messages, ensuring recipients that the email has actually come from you. However, researchers tested 25 widely-used email clients for Windows, Linux, macOS, iOS, Android and Web and found that at least 14 of them were vulnerable to multiple types of practical attacks under five below-mentioned categories, making spoofed signatures indistinguishable from a valid one even by an attentive user. The research was conducted by a team of researchers from Ruhr University Bochum and

MailSploit — Email Spoofing Flaw Affects Over 30 Popular Email Clients

MailSploit — Email Spoofing Flaw Affects Over 30 Popular Email Clients
Dec 05, 2017
If you receive an email that looks like it's from one of your friends, just beware! It's possible that the email has been sent by someone else in an attempt to compromise your system. A security researcher has discovered a collection of vulnerabilities in more than 30 popular email client applications that could allow anyone to send spoofed emails bypassing anti-spoofing mechanisms. Discovered by security researcher Sabri Haddouche , the set of vulnerabilities, dubbed MailSploit , affects Apple Mail (macOS, iOS, and watchOS), Mozilla Thunderbird, several Microsoft email clients, Yahoo Mail, ProtonMail, and others. Although most of these affected email client applications have implemented anti-spoofing mechanisms, such as DKIM and DMARC, MailSploit takes advantage of the way email clients and web interfaces parse "From" header. Email spoofing is an old-school technique, but it works well, allowing someone to modify email headers and send an email with the fo

GenAI: A New Headache for SaaS Security Teams

GenAI: A New Headache for SaaS Security Teams
Apr 17, 2024SaaS Security / AI Governance
The introduction of Open AI's ChatGPT was a defining moment for the software industry, touching off a GenAI race with its November 2022 release. SaaS vendors are now rushing to upgrade tools with enhanced productivity capabilities that are driven by generative AI. Among a wide range of uses, GenAI tools make it easier for developers to build software, assist sales teams in mundane email writing, help marketers produce unique content at low cost, and enable teams and creatives to brainstorm new ideas.  Recent significant GenAI product launches include Microsoft 365 Copilot, GitHub Copilot, and Salesforce Einstein GPT. Notably, these GenAI tools from leading SaaS providers are paid enhancements, a clear sign that no SaaS provider will want to miss out on cashing in on the GenAI transformation. Google will soon launch its SGE "Search Generative Experience" platform for premium AI-generated summaries rather than a list of websites.  At this pace, it's just a matter of a short time befo
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