Collected research

Leaking more than log₂ of the URL count with the selectURL gate

Leaking more than log_2(|URLs|) bits of data with the selectURL gate

anisenoff · GitHub · 5 June 2023

Shared Storage worklets delay selected-URL requests according to stored values, leaking information through server-observed timing even when a single URL incurs zero budget cost. Later comments demonstrate conditional worklet crashes as a request-presence channel and discuss process isolation.

Record

Document

Leaking more than log_2(|URLs|) bits of data with the selectURL gate

Researcher

anisenoff

Published by

GitHub

Date

5 June 2023

Topic

Other

In the archive

• Collected in the 2023 research round

Tags

• timing-attack
• side-channel
• info-leak
• abuse-of-functionality
• owasp-a04-2021

This page is the archive's own catalogue record. The research is the work of anisenoff, first published at the original source. Preserved copies are kept so the citation survives its host; this one was last captured on 10 September 2026.