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Magellan: Remote Code Execution Vulnerability in SQLite Disclosed

Researchers disclosed a remote code execution vulnerability in SQLite affecting Google Chromium-based browsers as well as the Google Home smart speaker.

Background

On December 14, researchers from Tencent’s Blade Team published an advisory regarding their discovery of “Magellan,” a remote code execution vulnerability in SQLite.

Vulnerability details

Details surrounding the Magellan vulnerability remain sparse at this time. However, the Blade Team specifies that the impact of this vulnerability includes code execution, memory leak or denial of service (DoS). Additionally, Chromium, Google’s open source codebase that powers Google Chrome, is affected by this vulnerability. There are several other browser implementations that utilize the Chromium codebase, including Brave, Opera, Vivaldi and Yandex.

According to the Blade Team, they were able to use the Magellan vulnerability to exploit the Google Home smart speaker, but have stated they have no plans to release any proof-of-concept (PoC) code for Magellan. However, several hours after the Blade Team released their advisory, an app developer published a PoC that crashes Chrome 70.

Urgently required actions

Tenable strongly advises organizations and individuals to upgrade to patched versions as soon as possible.

SQLite released version 3.26.0 on December 1, 2018, while Google released Chromium 71.0.3578.80 on December 4, 2018. Google Chrome version 71 contains the patches provided in Chromium 71.0.3578.80. Additionally, Linux distributions such as Red Hat Enterprise Linux, Debian and openSUSE have released security advisories that include the Chromium patch.

Identifying affected systems

A list of Nessus plugins to identify this vulnerability can be found here.

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