CVE-2023-41997 - Siri Security Vulnerability Allowing Unauthorized Data Access on Locked Devices

A recent vulnerability, dubbed as CVE-2023-41997, has been discovered in Apple devices running macOS, watchOS, iOS, and iPadOS. This vulnerability allows an attacker with physical access to a locked device to access sensitive user data through Siri. Fortunately, this issue has been addressed by Apple in the latest software updates. In this article, we will detail the vulnerability, its potential attack scenario, and the steps to mitigate its impact on affected devices.

Vulnerability Details

The CVE-2023-41997 vulnerability arises from an oversight in Siri’s restriction mechanism on locked devices, potentially allowing attackers to bypass security barriers and access sensitive information. In recent versions of Apple's operating systems, an attacker could achieve this by sending specifically crafted voice commands to Siri.

The following code snippet demonstrates one such example of a voice command that could exploit the vulnerability:

"Hey Siri, show me my latest text messages from [Contact Name]"

Impact

If the vulnerability is exploited successfully, an attacker can gain access to sensitive information such as text messages, email content, contacts, reminders, and more. The impact of this breach can range from privacy invasion to potential identity theft and financial loss.

Attack Scenario

To take advantage of this vulnerability, an attacker would need physical access to a locked yet reachable Apple device with Siri enabled. Upon establishing physical access, the attacker can then issue the malicious voice command to Siri, which may result in unauthorized access to the user’s sensitive data.

Mitigation and Prevention

Thankfully, Apple has promptly addressed this vulnerability by providing updates for affected versions of their operating systems:

iOS 17.1 and iPadOS 17.1

To protect your device from this vulnerability, it is paramount to update your Apple device to the latest applicable software version. You can follow these steps to update your device:

Conclusion

It is crucial for users to keep their devices up-to-date to protect themselves from known vulnerabilities such as CVE-2023-41997. By updating to the latest software versions, you can ensure that your devices remain secure against this specific Siri-related vulnerability and other potential security risks.

For more details and technical information about the CVE-2023-41997 vulnerability, you can refer to the original references provided below:

- Apple Security Updates: https://support.apple.com/en-us/HT209340
- CVE Details: https://cvedetails.com/cve/CVE-2023-41997/

Timeline

Published on: 10/25/2023 19:15:10 UTC
Last modified on: 11/02/2023 18:05:34 UTC