Incident: iOS 9 Bluetooth Vulnerability Allows Wireless Hijacking of iPhones

Published Date: 2015-09-16

Postmortem Analysis
Timeline 1. The software failure incident, which involved a security vulnerability in iOS 9 allowing for wireless hijacking via Bluetooth, was reported on September 16, 2015 [51585]. Therefore, the software failure incident likely occurred in August 2015.
System 1. iOS 9 2. Airdrop feature 3. iPhone 8.4.1 4. OSX Yosemite [Cited from Article 51585]
Responsible Organization 1. The software failure incident in this case was caused by a security vulnerability in iOS 9 that was discovered by Australian security researcher and consultant Mark Dowd [51585].
Impacted Organization 1. iPhone users and Mac users were impacted by the software failure incident reported in Article 51585. [51585]
Software Causes 1. A security vulnerability in the Airdrop filesharing feature in iOS 9 that allowed for the installation of malicious apps on iPhones and Macs wirelessly via Bluetooth [51585].
Non-software Causes 1. Physical access to the phone allowing an attacker to toggle Bluetooth and Airdrop features [51585].
Impacts 1. The software failure incident allowed attackers to wirelessly hijack iPhones and Macs within Bluetooth range by exploiting a vulnerability in the Airdrop feature [51585]. 2. Attackers could install malicious apps on the devices without the user's consent, even if the user did not tap "accept" for the offered file, leading to potential malware infections [51585]. 3. The incident posed a risk to Apple's otherwise nearly malware-free mobile operating system, highlighting the severity of the security flaws [51585]. 4. Users who did not upgrade to the latest software versions were at risk of being targeted by attackers through Bluetooth and Airdrop, with potential consequences of unauthorized app installations and data breaches [51585].
Preventions 1. Timely software updates and patches: The software failure incident could have been prevented if Apple had promptly addressed the security vulnerability reported by the Australian security researcher Mark Dowd by releasing a patch sooner [51585]. 2. Enhanced security testing: Conducting thorough security testing during the development phase could have potentially identified and mitigated the Airdrop bug and the vulnerability that allowed the installation of unapproved applications on iOS devices [51585]. 3. User awareness and education: Educating iPhone and Mac users about the risks associated with enabling features like Airdrop and Bluetooth in public places could have helped prevent potential attacks by malicious actors [51585].
Fixes 1. Upgrading to iOS 9 or the latest version of OSX, as Apple has released a security update to address the vulnerabilities exploited by the attack [51585]. 2. Disabling Airdrop or Bluetooth features on affected devices as a temporary workaround for those who cannot or do not want to upgrade immediately [51585].
References 1. Australian security researcher and consultant Mark Dowd [51585]

Software Taxonomy of Faults

Category Option Rationale
Recurring unknown The article does not provide information about the software failure incident happening again at either the same organization or at multiple organizations. Therefore, the answer to this question is 'unknown'.
Phase (Design/Operation) design, operation (a) The software failure incident related to the design phase is evident in the article. The security vulnerability exploited by the attack on iOS 9 was a result of a chain of security flaws, including an Airdrop bug and a vulnerability that allowed corporations to install their own custom apps on Apple's tightly restricted operating system. This design flaw allowed the attacker to install malicious apps on iPhones and Macs via Bluetooth-enabled Airdrop filesharing feature [51585]. (b) The software failure incident related to the operation phase is also highlighted in the article. The attack demonstrated by the Australian security researcher Mark Dowd could be carried out by anyone within Bluetooth range of a target device with the Airdrop feature enabled. This means that the operation or misuse of the system, such as leaving Airdrop enabled in public places, could lead to the installation of malicious software on the victim's device [51585].
Boundary (Internal/External) within_system, outside_system The software failure incident described in the article [51585] involves contributing factors that originate both from within the system (within_system) and outside the system (outside_system). 1. **Within the System (within_system):** - The vulnerability exploited by the attack was related to the Airdrop feature in iOS 9, which allowed for the installation of malicious apps on iPhones and Macs [51585]. - The attack took advantage of not only the Airdrop bug but also a vulnerability that allows corporations to install their own custom apps on Apple's operating system [51585]. - The attack could install an unapproved application on an iPhone that hasn't been jailbroken and disable the pop-up prompt that asks if the user wants to trust the program's author [51585]. 2. **Outside the System (outside_system):** - The attack was demonstrated by an Australian security researcher and consultant, Mark Dowd, who warned Apple about the security vulnerability [51585]. - The attack could be carried out by anyone within Bluetooth range of a target device with the Airdrop feature enabled [51585]. - Apple released a security update to address the vulnerabilities, indicating that the threat originated from outside the system [51585].
Nature (Human/Non-human) non-human_actions, human_actions (a) The software failure incident in the article is primarily due to non-human actions, specifically a security vulnerability in iOS 9 that allowed for a wireless hijack via Bluetooth range. The attack demonstrated by the Australian security researcher Mark Dowd took advantage of a vulnerability in the Airdrop feature of iOS, allowing for the installation of malicious apps on iPhones and Macs without the victim's interaction ([51585]). (b) However, human actions are also involved in this incident as the security researcher Mark Dowd reported the vulnerability to Apple, which led to the patch being included in iOS 9. Additionally, the article mentions that Apple has released a security update for both the Macbook and iPhone attacks, indicating human intervention in addressing the issue ([51585]).
Dimension (Hardware/Software) software (a) The software failure incident reported in the article is related to a vulnerability in iOS 9 that could allow an attacker to wirelessly hijack iPhones and Macs via their Bluetooth-enabled Airdrop filesharing feature. This vulnerability was identified by Australian security researcher Mark Dowd, who demonstrated how an attacker could install malicious apps on devices within Bluetooth range, even if the victim didn't tap "accept" for the offered file. The attack takes advantage of both the Airdrop bug in iOS and a vulnerability that allows the installation of custom apps on Apple's operating system [51585]. (b) The software failure incident is primarily due to contributing factors that originate in software, specifically vulnerabilities in iOS 9 that could be exploited to install malicious apps on iPhones and Macs. The attack demonstrated by Mark Dowd leverages these software vulnerabilities to plant malware on devices wirelessly via Bluetooth, highlighting the importance of software security patches and updates to mitigate such risks [51585].
Objective (Malicious/Non-malicious) malicious (a) The software failure incident described in the article is malicious in nature. The incident involved a security vulnerability in iOS 9 that could allow an attacker to wirelessly hijack iPhones and Macs within Bluetooth range and install malicious apps on them without the user's consent. The attack demonstrated by the security researcher Mark Dowd could plant malware on the devices, even if the victim didn't tap "accept" for the offered file. This malicious attack exploited vulnerabilities in Airdrop and allowed the installation of unapproved applications on iPhones, potentially leading to the implanting of malware [51585].
Intent (Poor/Accidental Decisions) accidental_decisions The software failure incident described in the article [51585] can be categorized under "accidental_decisions." The incident involved a security vulnerability in iOS 9 that allowed attackers to install malicious apps on iPhones and Macs via the Bluetooth-enabled Airdrop feature. The vulnerability was not intentionally introduced but was a mistake or unintended consequence of the software design. The incident was not a result of poor decisions but rather a flaw that was exploited by a security researcher to demonstrate the potential risk to Apple users.
Capability (Incompetence/Accidental) accidental (a) The software failure incident reported in Article 51585 was not due to development incompetence. The incident was a result of a security vulnerability in iOS 9 that allowed attackers to exploit the Airdrop feature to install malicious apps on iPhones and Macs wirelessly within Bluetooth range. The attack was demonstrated by security researcher Mark Dowd, who identified and reported the vulnerability to Apple. Apple released a security update to address the issue, indicating that the failure was not due to incompetence but rather a security flaw that needed to be patched [51585]. (b) The software failure incident described in Article 51585 was accidental in nature. The vulnerability that allowed attackers to exploit the Airdrop feature in iOS 9 was not intentionally introduced but was a result of a security flaw that could be exploited by miscreants within Bluetooth range. The attack demonstrated by Mark Dowd highlighted how the vulnerability could be used to install malicious apps on devices without the user's consent, indicating that the failure was accidental rather than intentional [51585].
Duration temporary The software failure incident described in the article is temporary. The vulnerability in iOS 9 that allowed for the wireless hijacking of iPhones and Macs via Bluetooth was a specific issue that was addressed by a security patch. The incident was not a permanent failure but rather a temporary one that could be mitigated by upgrading to the patched versions of the operating systems [51585].
Behaviour other (a) crash: The software failure incident described in the article does not involve a crash where the system loses state and stops performing its intended functions. Instead, it focuses on a security vulnerability that could allow malicious apps to be installed on iPhones and Macs via the Bluetooth-enabled Airdrop feature [51585]. (b) omission: The incident does not involve the system omitting to perform its intended functions at an instance(s). It is more about a security vulnerability that could lead to the installation of malicious apps on devices without user interaction [51585]. (c) timing: The failure is not related to the system performing its intended functions too late or too early. It is more about a security vulnerability that could allow attackers to plant malware on devices within Bluetooth range, even if the victim doesn't tap "accept" for the offered file [51585]. (d) value: The software failure incident is not about the system performing its intended functions incorrectly. It is more focused on a security vulnerability that could lead to the installation of unapproved applications on iPhones and Macs [51585]. (e) byzantine: The incident does not involve the system behaving erroneously with inconsistent responses and interactions. It is primarily about a security vulnerability that could allow attackers to exploit the Airdrop feature to install malicious apps on devices [51585]. (f) other: The behavior of the software failure incident can be categorized as a security vulnerability that allows for the unauthorized installation of apps on Apple devices, exploiting both the Airdrop feature and a vulnerability that allows corporations to install custom apps on Apple's restricted operating system. This behavior is not explicitly covered by the options (a) to (e) provided [51585].

IoT System Layer

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

Other Details

Category Option Rationale
Consequence property, non-human, no_consequence, theoretical_consequence (a) death: There is no mention of any deaths resulting from the software failure incident in the provided article [51585]. (b) harm: The article does not mention any physical harm caused to individuals due to the software failure incident [51585]. (c) basic: The incident did not impact people's access to food or shelter [51585]. (d) property: The software failure incident could potentially impact people's material goods, money, or data as attackers could install malicious apps on iPhones and Macs via Bluetooth, potentially leading to unauthorized access and data compromise [51585]. (e) delay: There is no mention of any activities being postponed due to the software failure incident [51585]. (f) non-human: The software failure incident primarily affected Apple's devices, specifically iPhones and Macs, as attackers could exploit vulnerabilities to install malicious apps [51585]. (g) no_consequence: The software failure incident had real observed consequences, such as the potential installation of malicious apps on iPhones and Macs [51585]. (h) theoretical_consequence: There were potential consequences discussed, such as the ability for attackers to silently plant malicious programs on phones or Macbooks within Bluetooth range, or using the attack as a lockscreen bypass. However, the full compromise of an iPhone would require exploiting deeper operating system bugs in iOS's kernel, which were not exploited in this incident [51585]. (i) other: The article does not mention any other specific consequences of the software failure incident beyond those discussed in the options (a) to (h) [51585].
Domain information (a) The software failure incident reported in Article 51585 is related to the information industry. The incident involves a security vulnerability in iOS 9 that could allow malicious apps to be installed on iPhones and Macs via the Bluetooth-enabled Airdrop filesharing feature, potentially compromising user data and device security [51585].

Sources

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