Cyber Risks · PortSwigger Research

Professional / Community 2022.8.1

Summary: PortSwigger released Burp Suite Professional/Community 2022.8.1 on 10 August 2022, adding scan checks for client-side desync and CL.0 request smuggling based on James Kettle's Browser-Powered Desync Attacks research presented at Black Hat USA 2022. The release also lets Burp Repeater send a group of tabs as an automated sequence over a single connection or separate connections, and lowers the severity of the External service interaction (DNS) issue because DNS lookups can occur without any HTTP request being sent.

Why it matters: The downgrade of External service interaction (DNS) reflects that a DNS pingback to Burp Collaborator no longer implies an HTTP request followed, so findings your team previously treated as high severity may now warrant a different triage decision.

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Topics
Vulnerabilities & Patching
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