Vivitar IPC113 WiFi camera is compatible with iOS and Android devices. Images of the surroundings during day or night with full HD 1080p resolution.Įasily connects to your smart phone or tablet to view your home from anywhere. Protect your home with The Vivitar Smart security Wi-Fi Cam.

Full HD 1080p resolution provides a crisp andĬlear image of the surroundings whether day time or night time. Smart security cam not only monitors your personal spaces, but can also be used Intercom (speak and listen) for ultimate home, dorm or office protection. The smart security cam comes equipped with motion detection and two-way On Linux, terminal devices (such as a serial console or a virtual console) are represented by a struct tty_struct.Always know what’s going on in your home with the Vivitar Smart security Wi-FiĬam. I also want to thank Kees Cook for providing feedback on an earlier version of this post (again, without implying that he necessarily agrees with everything), and my Project Zero colleagues for reviewing this post and frequent discussions about exploit mitigations. I would like to thank Ryan Hileman for a discussion we had a while back about how static analysis might fit into static prevention of security bugs (but note that Ryan hasn't reviewed this post and doesn't necessarily agree with any of my opinions). (In case you're wondering why the bug and the targeted Debian kernel are from end of last year: I already wrote most of this blogpost around April, but only recently finished it)

Ĭode snippets in this blog post that are relevant to the exploit are taken from the upstream 4.19.160 release, since that is what the targeted Debian kernel is based on some other code snippets are from mainline Linux. Our bugtracker entry for this bug, along with the proof of concept, is at. However, I believe that there is value in writing them up together to show how various mitigations interact with a fairly normal use-after-free exploit. I hope that stepping through such an exploit and sharing this compiled knowledge with the wider security community can help with reasoning about the relative utility of various mitigation approaches.Ī lot of the individual exploitation techniques and mitigation options that I am describing here aren't novel. Based on that, it explores options for security mitigations that could prevent or hinder exploitation of issues similar to this one. This blog post describes a straightforward Linux kernel locking bug and how I exploited it against Debian Buster's 4.19.0-13-amd64 kernel. Posted by Jann Horn, Project Zero Introduction An analysis of current and potential kernel security mitigations

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