Bypassing character blocklists with unicode overflows
Unicode codepoint truncation - also called a Unicode overflow attack - happens when a server tries to store a Unicode character in a single byte.
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Unicode codepoint truncation - also called a Unicode overflow attack - happens when a server tries to store a Unicode character in a single byte.
In this post, I will introduce the "cookie sandwich" technique which lets you bypass the HttpOnly flag on certain servers.
Nominations are now open for the top 10 new web hacking techniques of 2024!
HTTP cookies often control critical website features, but their long and convoluted history exposes them to parser discrepancy vulnerabilities.
The strength of our URL Validation Bypass Cheat Sheet lies in the contributions from the web security community, and today’s update is no exception.
Last year Johan Carlsson discovered you could conceal payloads inside the credentials part of the URL .
At Mozilla, browser security is a critical mission, and part of that mission involves responding swiftly to new threats. Tuesday, around 8 AM Eastern time, w...
URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection.
Through the years, we have seen many attacks exploiting web caches to hijack sensitive information or store malicious payloads.
Some websites parse email addresses to extract the domain and infer which organisation the owner belongs to. This pattern makes email-address parser discrepa...
Websites are riddled with timing oracles eager to divulge their innermost secrets. It's time we started listening to them.
Imagine the CEO of a random company receives an email containing a PDF invoice file. In Safari and MacOS Preview, the total price displayed is £399.
The ransomware group D1R claimed to have accessed a database of 40,000 entries from Synopsys and subsequently used this information to target Bosch, alleging...
The D1R cybercrime group claimed to have stolen valuable data from Synopsys and Bosch, threatening to leak it unless a ransom is paid. The post Synopsys Find...
The defendant's lawyer told Finnish media that he does not know where his client is but believes Kivimäki is outside Finland.
Effective data protection determines whether stolen information is actually usable and how much business and regulatory damage an organization suffers after ...
Supermarket giant Lidl has revealed details of a supplier breach impacting customer data
In this Help Net Security video, Chris Boehm, Field CTO, Zero Networks, breaks down how a vendor breach can become your breach. He explains that attackers no...
The "Breach at the Beach" CTF, created by Varonis researchers Doron Kapah and Mark Vaitsman, simulates attacks within Entra ID, focusing on how threat actors...
The compromised data includes customer salutations, first and last names, phone numbers, email addresses, dates of birth, and customer numbers.
The breach was discovered after mass emails were sent from legitimate AFA domains, claiming Argentina "stole" the win from Egypt.
Lidl disclosed a third-party data breach affecting online shop customers in Germany, Belgium, and the Netherlands. Payment data was not exposed.
Following the breach of several of her Telegram channels, controversial Russian journalist Ksenia Sobchak claimed published screenshots of her correspondence...
German discount supermarket chain Lidl has notified customers in Germany, Belgium, and the Netherlands that customer data was stolen after attackers breached...