Canonical has acknowledged a vulnerability in Ubuntu, which can be exploited by malicious people to bypass certain security features.
The vulnerability is caused due to the Ubuntu image shipped with Dell Latitude 2110 systems being configured to allow package installations without properly authenticating the package. This can be exploited to e.g. execute arbitrary code with root privileges by modifying packages via Man-in-the-Middle (MitM) attacks or by compromising an Ubuntu archive mirror.
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Subject: Ubuntu base-files Dell Latitude 2110 Unauthenticated Package Installation
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