Merry Hackmas: multiple vulnerabilities in MSI’s products

This blog post serves as an advisory for a couple of MSI’s products that are affected by multiple high-severity vulnerabilities in the driver components they are shipped with. All the vulnerabilities are triggered by sending specific IOCTL requests and will allow to: Directly interact with physical memory via the MmMapIoSpace function call, mapping physical memory into a virtual address user-space. Read/write Model-Specific Registers (MSRs) via the __readmsr/__writemsr functions calls. Read/write 1/2/4 bytes to or from an IO port. An attacker could exploit...

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Tabletopia: from XSS to RCE

During this period of social isolation, a friend of mine proposed to play some online "board games". He proposed “Tabletopia”: a cool sandbox virtual table with more than 800 board games. Tabletopia is both accessible from its own website and from the Steam’s platform. While my friends decided to play from their browser, I’ve opted for the Steam version. We joined a room and started a game; at one point we were messing around with some in-game cards when , for no...

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Telegram Secret Chat Bug

For whom is following me on Twitter this is not a news, yesterday I was complaining about a Telegram “Feature” in the secret chat context, while for whom doesn’t this should serve as a write-up of the bug that I have discovered (The bug is nothing fancy but something I think people should, at least, know). Telegram Secret Chat If you are not practical with the concept of Telegram’s Secret Chat: “Secret chats are meant for people who want more secrecy than the...

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