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PlayStation 3 Jailbreak was the first USB (Universal Serial Bus) chipset that allowed unauthorized execution of code, similar to homebrew, on the PlayStation 3. It works by bypassing a system security check using a memory exploit (heap overflow) which occurs with USB devices that allows the execution of unsigned code.
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The underlying exploit and inner workings of the PS3 Jailbreak have been entirely reverse engineered [1] and reimplemented through the open source PSGroove. [2]
Through analysis of USB traffic to and from the PS3 Jailbreak, it was found that the device induced a heap overflow in kernel-space memory to trigger execution of untrusted code. [1]
Sony had taken a few steps to prevent the jailbreak of the PlayStation 3, and has associated the action as a form of copyright infringement. In eastern European countries, no action has ever been taken to condemn such cases.
The cases listed below are lawsuits Sony filed in courts to prohibit the sales and imports of circumvention devices that would jailbreak the system.
A modchip is a small electronic device used to alter or disable artificial restrictions of computers or entertainment devices. Modchips are mainly used in video game consoles, but also in some DVD or Blu-ray players. They introduce various modifications to its host system's function, including the circumvention of region coding, digital rights management, and copy protection checks for the purpose of using media intended for other markets, copied media, or unlicensed third-party (homebrew) software.
Privilege escalation is the act of exploiting a bug, a design flaw, or a configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user. The result is that an application with more privileges than intended by the application developer or system administrator can perform unauthorized actions.
A softmod is a method of using software to modify the intended behavior of hardware, such as video cards, sound cards, or game consoles in a way that can overcome restrictions of the firmware, or install custom firmware.
Lik Sang was a popular distributor of Asian electronics. The company sold import games, toys, figures, anime-related items, and obscure adapters and controllers for various video game platforms. Lik Sang closed as of October 24, 2006, as a result of multiple lawsuits filed against them by Sony.
Datel is a UK-based electronics and game console peripherals manufacturer. The company is best known for producing a wide range of hardware and peripherals for home computers in the 1980s, for example replacement keyboards for the ZX Spectrum, the PlusD disk interface and the Action Replay series of video game cheating devices.
Homebrew, when applied to video games, refers to software produced by hobbyists for proprietary video game consoles which are not intended to be user-programmable. The official documentation is often only available to licensed developers, and these systems may use storage formats that make distribution difficult, such as ROM cartridges or encrypted CD-ROMs. Many consoles have hardware restrictions to prevent unauthorized development.
Susan Yvonne Illston is a senior United States district judge of the United States District Court for the Northern District of California. She was nominated by President Bill Clinton and confirmed by the Senate in 1995. She assumed senior status in 2013.
OtherOS is a feature of early versions of the PlayStation 3 video game console, allowing user installed software, such as Linux or FreeBSD. The feature was removed since system firmware update 3.21, released on April 1, 2010.
An illegal number is a number that represents information which is illegal to possess, utter, propagate, or otherwise transmit in some legal jurisdiction. Any piece of digital information is representable as a number; consequently, if communicating a specific set of information is illegal in some way, then the number may be illegal as well.
The PlayStation 3 system software is the updatable firmware and operating system of the PlayStation 3. The base operating system used by Sony for the PlayStation 3 is a fork of both FreeBSD and NetBSD known internally as CellOS or GameOS. It uses XrossMediaBar as its graphical shell.
The PlayStation Portable system software is the official firmware for the PlayStation Portable (PSP). It uses the XrossMediaBar (XMB) as its user interface, similar to the PlayStation 3 console.
The PlayStation 3 technical specifications describe the various components of the PlayStation 3 (PS3) video game console.
George Francis Hotz, alias geohot, is an American security hacker, entrepreneur, and software engineer. He is known for developing iOS jailbreaks, reverse engineering the PlayStation 3, and for the subsequent lawsuit brought against him by Sony. From September 2015 onwards, he has been working on his vehicle automation machine learning company comma.ai. Since November 2022, Hotz has been working on tinygrad, a deep learning framework.
The Digital Millennium Copyright Act (DMCA) is a 1998 United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO). It criminalizes production and dissemination of technology, devices, or services intended to circumvent measures that control access to copyrighted works. It also criminalizes the act of circumventing an access control, whether or not there is actual infringement of copyright itself. In addition, the DMCA heightens the penalties for copyright infringement on the Internet. Passed on October 12, 1998, by a unanimous vote in the United States Senate and signed into law by President Bill Clinton on October 28, 1998, the DMCA amended Title 17 of the United States Code to extend the reach of copyright, while limiting the liability of the providers of online services for copyright infringement by their users.
Rooting is the process by which users of Android devices can attain privileged control over various subsystems of the device, usually smartphones and tablets. Because Android is based on a modified version of the Linux kernel, rooting an Android device gives similar access to administrative (superuser) permissions as on Linux or any other Unix-like operating system such as FreeBSD or macOS.
The hacking of consumer electronics is an common practice that users perform to customize and modify their devices beyond what is typically possible. This activity has a long history, dating from the days of early computer, programming, and electronics hobbyists.
SCEA v. Hotz was a lawsuit in the United States by Sony Computer Entertainment of America against George Hotz and associates of the group fail0verflow. It was in regards to jailbreaking and reverse engineering the PlayStation 3.
The R4 is an unlicensed flash cartridge for the Nintendo DS handheld system. It allows ROMs and homebrew to be booted on the Nintendo DS handheld system from a microSD card. This allows the user to run homebrew applications, to store multiple games and MP3 music files on a single memory card, and to play games that have been backed up by the user.
Homebrew software was first run on the PlayStation 3 by a group of hackers under the name "Team Ice" by exploiting a vulnerability in the game Resistance: Fall of Man. Following various other hacks executed from Linux, Sony removed the ability to install another operating system in the 3.21 firmware update. This event caused backlash among the hacker communities, and eventually the group Fail0verflow found a flaw in the generation of encryption keys which they leveraged to restore the ability to install Linux. George Hotz (Geohot), often misattributed as the genesis of homebrew on the PS3, later created the first homebrew signed using the private "metldr" encryption key which he leaked onto the internet. Leaking the key led to Hotz being sued by Sony. The court case was settled out of court, with the result of George Hotz not being able to further reverse engineer the PS3.
Custom firmware, also known as aftermarket firmware, is an unofficial new or modified version of firmware created by third parties on devices such as video game consoles, mobile phones, and various embedded device types to provide new features or to unlock hidden functionality. In the video game console community, the term is often written as custom firmware or simply CFW, referring to an altered version of the original system software inside a video game console such as the PlayStation Portable, PlayStation 3, PlayStation Vita/PlayStation TV, PlayStation 4, Nintendo 3DS and Nintendo Switch. Installing custom firmware on some devices requires bootloader unlocking.
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