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Hackers Can Manipulate Web Cache Keys to Access Restricted Data and Poison Websites

Cybersecurity NewsSeptember 21, 20264 min read

A web cache poisoning technique called cache key injection could let attackers access restricted data, disrupt websites, or poison cached pages with malicious content. Alex Brumen’s research shows attackers don’t always need to exploit unkeyed HTTP request values, the usual focus of cache poisoning attacks. Instead, they can abuse values that are already included in […] The post Hackers Can Manipulate Web Cache Keys to Access Restricted Data and Poison Websites appeared first on Cyber Security News.

A web cache poisoning technique called cache key injection could let attackers access restricted data, disrupt websites, or poison cached pages with malicious content. Alex Brumen’s research shows attackers don’t always need to exploit unkeyed HTTP request values, the usual focus of cache poisoning attacks. Instead, they can abuse values that are already included in a cache key when a web server combines them without clear separators. Web caches improve performance by storing…

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