HTTP Response Splitting in Styx

Vulnerability Styx is vulnerable to CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting'. Vulnerable Component The vulnerable component is the com.hotels.styx.api.HttpHeaders.Builder due to disabling the HTTP Header validation built into Netty in these...

Semmle: Authenticated Cross-Site-Request-Forgery

Summary: I have read the T&C to be eligible for bounty on this program. As per T&C authenticated CSRF requests are eligible for a bounty. I am not looking for the Bounty, However I want to give you an update on Authenticated CSRF that I have found. In the "Account Settings", a user can change his...

Apache Struts2 S2-052 (CVE-2017-9805)

In this post I'll describe how I customized a standard lgtm query to find a remote code execution vulnerability in Apache Struts. A more general announcement about this vulnerability can be found here. It has been assigned CVE-2017-9805, a security bulletin can be found here on the Struts website...