Incident: Leaked iBoot Source Code for iOS 9 Raises Security Concerns

Published Date: 2018-02-08

Postmortem Analysis
Timeline 1. The software failure incident of the leaked iBoot source code for iOS 9 happened in February 2018. [68341, 68273]
System 1. iBoot source code for iOS 9 [68341, 68273] 2. iOS devices running software older than iOS 10 [68341, 68273]
Responsible Organization 1. An anonymous hacker with the username 'Zioshiba' was responsible for leaking the source code for Apple's iBoot software on GitHub [Article 68273]. 2. The leaked source code from iOS 9 was considered a major security issue for Apple, as hackers could dig through it and search for vulnerabilities in iBoot [Article 68341].
Impacted Organization 1. Apple - The leaked iBoot source code for iOS 9 posed a major security issue for Apple as hackers could potentially exploit vulnerabilities in the code [68341, 68273].
Software Causes 1. The software cause of the failure incident was the leaking of the iBoot source code for iOS 9, which is a core part of ensuring the security of iPhones and iPads when they turn on [68341, 68273]. 2. The leaked source code allowed hackers to potentially search for vulnerabilities in iBoot, which could compromise the security of iOS devices [68341, 68273]. 3. The incident highlighted the risk of outdated software being leaked, even though Apple emphasized that the security of their products does not solely rely on the secrecy of their source code [68341, 68273].
Non-software Causes 1. The source code leak was caused by an anonymous hacker posting the iBoot source code on GitHub [68273]. 2. Apple's iBoot source code was leaked due to a skilled anonymous hacker [68273].
Impacts 1. The leaked iBoot source code for iOS 9 raised concerns about potential vulnerabilities in Apple's devices, as hackers could search for exploits in the code [68341, 68273]. 2. Apple's bug bounty program offered a reward of $200,000 to anyone who could find vulnerabilities in the iBoot code, highlighting the seriousness of the security breach [68341]. 3. The leak of the iBoot source code was considered a major security issue for Apple, potentially affecting at least 70 million iOS device users [68341]. 4. Security experts warned that the leaked code could make it easier for hackers to identify vulnerabilities in the software and could lead to opportunities for jailbreaking iPhones [68273]. 5. Apple took steps to address the leak by issuing a DMCA notice to remove the leaked code from GitHub, although copies had already spread online [68341, 68273]. 6. Despite the leak, Apple emphasized that the security of their products does not solely rely on the secrecy of their source code, and they encouraged users to update to the latest software releases for enhanced protection [68341, 68273].
Preventions 1. Regularly updating software to the latest versions to benefit from the latest protections and security features could have prevented the software failure incident [68341, 68273]. 2. Implementing multiple layers of hardware and software protections in products to enhance security could have helped prevent the leak of the iBoot source code [68341, 68273]. 3. Maintaining strict control over access to proprietary source code and ensuring it is not leaked or made public could have prevented the incident [68273].
Fixes 1. Updating to the newest software releases to benefit from the latest protections offered by Apple [68341, 68273] 2. Implementing hardware and software protections built into Apple's products [68341, 68273] 3. Encouraging customers to update their iOS software to mitigate risks associated with the leaked iBoot source code [68341, 68273]
References 1. Apple's official statement [Article 68341] 2. Security experts and researchers [Article 68273]

Software Taxonomy of Faults

Category Option Rationale
Recurring unknown (a) The software failure incident related to the leaked iBoot source code for iOS 9 is specific to Apple. This incident is unique to Apple's products and services, and there is no mention of a similar incident happening again within the same organization [68273, 68341]. (b) The incident of leaked source code, particularly iBoot, is not mentioned to have occurred at other organizations or with their products and services. The focus of the articles is on Apple's response to the security concerns arising from the leaked code [68273, 68341].
Phase (Design/Operation) design, operation (a) The software failure incident related to the design phase: - The leaked iBoot source code for iOS 9, a core part of iPhone security, was considered a major security issue for Apple as hackers could search for vulnerabilities in iBoot [68341]. - Apple responded by emphasizing that the security of their products doesn't depend on the secrecy of their source code, indicating that the design of their products includes many layers of hardware and software protections [68341]. - Apple offers a bug bounty program with a $200,000 reward for finding vulnerabilities in the iBoot code, highlighting the importance of addressing design flaws in the system [68341]. (b) The software failure incident related to the operation phase: - The leaked iBoot source code could potentially make it easier for hackers to spot vulnerabilities in the software, affecting the operation and security of iPhones [68273]. - Security experts cautioned that the outdated code could give hackers insights into how Apple's secret boot software works, impacting the operation and security of iOS devices [68273]. - The leak could open up opportunities for consumers to jailbreak their iPhones, which involves running software not typically allowed, affecting the operation and constraints imposed by Apple [68273].
Boundary (Internal/External) within_system (a) within_system: The software failure incident related to the leaked iBoot source code for iOS 9 can be categorized as a within_system failure. The incident occurred due to the leaking of the iBoot source code, which is a core part of iOS devices' security, from within Apple's system. The leaked code was considered a major security issue for Apple as hackers could potentially exploit vulnerabilities in iBoot [Article 68341, Article 68273]. (b) outside_system: The software failure incident related to the leaked iBoot source code for iOS 9 does not involve contributing factors originating from outside the system. The incident was primarily caused by the unauthorized release of Apple's internal source code, which was a result of an internal security breach or leak [Article 68341, Article 68273].
Nature (Human/Non-human) non-human_actions, human_actions (a) The software failure incident in the articles was primarily due to non-human actions. The incident involved the leaking of Apple's iBoot source code for iOS 9, which was posted on GitHub by an anonymous hacker named 'Zioshiba' [68273]. This leak raised concerns about potential vulnerabilities in iBoot, which is a critical component ensuring the security of iOS devices when they are turned on. The leaked source code being from an older version of iOS meant that any bugs found may not be relevant anymore, but it still posed a security risk as hackers could analyze the code for vulnerabilities [68341]. (b) Human actions also played a role in the software failure incident. The leak of the iBoot source code on GitHub was a deliberate act by an anonymous hacker, indicating human involvement in the breach [68273]. Additionally, Apple took steps to address the situation by filing copyright takedown requests to remove the leaked code from websites, demonstrating human intervention in response to the incident [68273].
Dimension (Hardware/Software) hardware, software (a) The software failure incident related to hardware: - The leaked iBoot source code for iOS 9, a core part of iPhone security, was considered a major security issue for Apple as hackers could potentially exploit vulnerabilities in the hardware-based iBoot system [68341, 68273]. - Apple offers a bug bounty program with a $200,000 reward for finding vulnerabilities in the iBoot code, highlighting the critical role of hardware-based security measures in Apple devices [68341]. - Apple emphasized that the security of their products doesn't solely rely on the secrecy of the source code but includes many layers of hardware and software protections built into their products [68273]. (b) The software failure incident related to software: - The leaked iBoot source code incident was primarily a software-related failure, as the source code itself was leaked, potentially exposing vulnerabilities in the software-based security mechanisms of iOS devices [68341, 68273]. - Security experts expressed concerns that the leaked source code could make it easier for hackers to identify software vulnerabilities and potentially exploit them, indicating a software-related risk [68273]. - Apple's response to the incident included encouraging customers to update to the newest software releases to benefit from the latest protections, underscoring the importance of software updates in addressing potential software vulnerabilities [68341, 68273].
Objective (Malicious/Non-malicious) malicious, non-malicious (a) The software failure incident related to the leaked iBoot source code for Apple's iOS devices can be categorized as malicious. The incident involved a skilled anonymous hacker leaking the ultra-secret iBoot software source code on GitHub, potentially making almost any iPhone vulnerable to hackers [68273]. The leaked source code was considered a major security issue for Apple, as hackers could search for vulnerabilities in iBoot, which is a crucial part of iOS device security [68341]. Apple took steps to have the leaked code removed from GitHub and other websites through copyright takedown requests [68273]. The incident raised concerns about the security implications and the potential for hackers to exploit the leaked code [68273]. (b) On the other hand, the incident can also be viewed as non-malicious to some extent. Apple responded by pointing out that the leaked source code was from iOS 9, which was released in 2015, and that the security of their products doesn't solely depend on the secrecy of the source code [68341]. Apple emphasized that there are multiple layers of hardware and software protections built into their products and encouraged customers to update to the newest software releases for the latest protections [68341]. Additionally, security experts mentioned that the risks associated with the leak have been somewhat mitigated, and the leaked code may not pose a significant risk to the average iPhone user [68273].
Intent (Poor/Accidental Decisions) poor_decisions (a) The intent of the software failure incident related to poor_decisions: - The software failure incident of the leaked iBoot source code for iOS 9 was due to poor decisions made by an anonymous hacker who posted the source code on GitHub [68273]. - Apple responded to the incident by emphasizing that the security of their products doesn't depend on the secrecy of the source code and encouraged customers to update to the newest software releases for the latest protections, indicating that the leak was a result of poor decisions made by the hacker [68341]. (b) The intent of the software failure incident related to accidental_decisions: - The software failure incident of the leaked iBoot source code for iOS 9 was not due to accidental decisions but rather a deliberate act by an anonymous hacker who posted the source code on GitHub [68273]. - Apple's response to the incident also focused on the deliberate nature of the leak and the need for customers to update their software, indicating that the incident was not accidental but intentional [68341].
Capability (Incompetence/Accidental) accidental (a) The software failure incident related to development incompetence is not evident in the provided articles. (b) The software failure incident related to accidental factors is evident in the articles. The leak of Apple's ultra-secret iBoot source code on GitHub was accidental, as it was posted by an anonymous user 'Zioshiba' [Article 68273]. The leak raised fears that almost any iPhone might be vulnerable to hackers, and Apple took steps to have the leaked code removed from GitHub's website through a copyright takedown request [Article 68273].
Duration temporary (a) The software failure incident in the articles can be considered as temporary. The leaked iBoot source code for iOS 9 was a significant security breach for Apple, potentially exposing vulnerabilities in the code that could be exploited by hackers [68273]. However, Apple responded by emphasizing that the security of their products does not solely rely on the secrecy of their source code and that there are multiple layers of hardware and software protections in place [68341]. Additionally, Apple encouraged customers to update to the newest software releases to benefit from the latest protections, indicating that the issue was addressable through software updates [68341]. (b) The software failure incident can also be seen as temporary because the leaked iBoot source code was for an older version of iOS (iOS 9), which was released in 2015. Apple mentioned that only 7% of iOS devices were running a version older than iOS 10, which was released in 2016 [68273]. This suggests that the impact of the leaked code may be limited to devices running older software versions, making the incident temporary in nature as it primarily affects a specific subset of users with outdated devices.
Behaviour crash, omission, other (a) crash: The software failure incident related to the leaked iBoot source code for iOS 9 can be categorized as a crash. The incident involved a critical part of the iOS device's security being leaked, potentially leading to vulnerabilities that could cause the system to crash or fail to perform its intended functions [68341, 68273]. (b) omission: The incident could also be related to omission, as the leaked source code could result in the system omitting to perform its intended security functions, leaving it vulnerable to exploitation by hackers [68341, 68273]. (c) timing: The timing of the software failure incident is not directly related to the system performing its intended functions too late or too early. Instead, the concern is about the potential vulnerabilities introduced by the leaked source code [68341, 68273]. (d) value: The incident is not specifically about the system performing its intended functions incorrectly in terms of producing incorrect outputs or results. It is more focused on the security implications of the leaked source code [68341, 68273]. (e) byzantine: The behavior of the software failure incident is not characterized by the system behaving erroneously with inconsistent responses and interactions, as the focus is on the security implications of the leaked iBoot source code [68341, 68273]. (f) other: The other behavior of the software failure incident is related to the potential for the leaked source code to enable unauthorized access, jailbreaking, and exploitation of vulnerabilities in the iOS devices, which could lead to various security risks beyond just a crash or omission of functions [68341, 68273].

IoT System Layer

Layer Option Rationale
Perception None None
Communication None None
Application None None

Other Details

Category Option Rationale
Consequence property, non-human, theoretical_consequence (a) death: People lost their lives due to the software failure - No information about people losing their lives due to the software failure was mentioned in the articles [Article 68341, Article 68273]. (b) harm: People were physically harmed due to the software failure - No information about people being physically harmed due to the software failure was mentioned in the articles [Article 68341, Article 68273]. (c) basic: People's access to food or shelter was impacted because of the software failure - No information about people's access to food or shelter being impacted due to the software failure was mentioned in the articles [Article 68341, Article 68273]. (d) property: People's material goods, money, or data was impacted due to the software failure - The leaked iBoot source code for iOS 9 raised concerns about potential vulnerabilities that could be exploited by hackers, impacting the security of Apple's devices and potentially affecting users' data security [Article 68341, Article 68273]. (e) delay: People had to postpone an activity due to the software failure - No information about people having to postpone an activity due to the software failure was mentioned in the articles [Article 68341, Article 68273]. (f) non-human: Non-human entities were impacted due to the software failure - The leaked iBoot source code for iOS 9 could potentially impact the security of Apple's devices, affecting the functioning of the devices themselves [Article 68341, Article 68273]. (g) no_consequence: There were no real observed consequences of the software failure - The articles discuss the potential risks and consequences of the leaked iBoot source code but do not mention any real observed consequences resulting from the incident [Article 68341, Article 68273]. (h) theoretical_consequence: There were potential consequences discussed of the software failure that did not occur - The potential consequences discussed include hackers exploiting vulnerabilities in the iBoot source code, affecting the security of iOS devices, and the possibility of jailbreaking iPhones due to the leaked code [Article 68341, Article 68273]. (i) other: Was there consequence(s) of the software failure not described in the (a to h) options? What is the other consequence(s)? - No other specific consequences of the software failure were mentioned in the articles [Article 68341, Article 68273].
Domain information, finance (a) The leaked iBoot source code incident reported in the articles is related to the information industry. The iBoot source code is a crucial part of iOS devices' security, ensuring that all software loaded on Apple's devices is secure and hasn't been tampered with. The leak of this source code raised significant security concerns for Apple and its users [Article 68341, Article 68273]. (h) The incident is also related to the finance industry as it involves Apple's response to security concerns surrounding the leaked iPhone source code. Apple emphasized that the security of their products doesn't depend on the secrecy of their source code and highlighted the various hardware and software protections built into their products. Additionally, Apple offers a bug bounty program with a reward of $200,000 for finding vulnerabilities in the code, indicating the financial aspect of ensuring the security of their systems [Article 68341, Article 68273]. (m) The incident can be associated with the technology industry as a whole, considering the implications of a major tech company like Apple facing a security breach due to leaked source code. This event highlights the importance of cybersecurity in the technology sector and the potential risks associated with such breaches [Article 68341, Article 68273].

Sources

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