Varnish Cache: write access vulnerability via HTTP request parsing

A vulnerability has been discovered in Varnish Cache, the widely-used HTTP caching server that accelerates websites.

Published 9sem1 sourceNotable

≈ 22sSpeed

The fact

The flaw lies in the Absolute Form Parsing module and allows bypassing access restrictions.

An attacker could modify cached content or access normally restricted resources by crafting specially formed HTTP requests.

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