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CVE-2024-44187: Medium Vulnerability in Apple Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS

A medium-severity cross-origin vulnerability exists in Apple products, potentially allowing malicious websites to exfiltrate data. Organizations are urged to update their systems promptly to mitigate risks.

MEDIUMCVSS 6.5 · Published September 17, 2024

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CVE-2024-44187 is a cross-origin vulnerability affecting various Apple products, including Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The vulnerability allows a malicious website to potentially exfiltrate sensitive data from users' devices. This issue has been addressed in recent updates, specifically Safari 18, iOS 18, iPadOS 18, macOS Sequoia 15, tvOS 18, visionOS 2, and watchOS 11. The vulnerability was published on September 17, 2024, and has a CVSS score of 6.5, categorizing it as medium severity.

The risk to organizations includes unauthorized data access through cross-origin attacks, which can lead to significant data breaches. This vulnerability is particularly concerning as it impacts a wide range of devices and operating systems, making it critical for organizations to assess their exposure and implement necessary updates.

Currently, there are no known exploits for this vulnerability, but the potential for exploitation exists due to the nature of the flaw. Organizations should prioritize patching their systems immediately to avoid any unauthorized data exposure.

As a best practice, organizations should regularly review and update their software environments to ensure that all components are running the latest versions, thereby reducing the risk associated with vulnerabilities like CVE-2024-44187.

Vulnerability Details

The vulnerability described in CVE-2024-44187 is due to a cross-origin issue with "iframe" elements, which was addressed through improved tracking of security origins. The affected systems include Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, all of which have received patches in their recent updates. The CWE classification for this vulnerability is CWE-346.

The CVSS score of 6.5 indicates a medium severity level, with a high confidentiality impact, but no integrity or availability impact. The attack vector is network-based, and exploitation requires user interaction, which adds a complexity layer to its exploitation.

Technical Analysis

The root cause of this vulnerability lies in the insufficient isolation of security origins in cross-origin resource sharing (CORS) contexts. Attackers may leverage this flaw by hosting malicious websites that exploit the vulnerability to access sensitive data from users visiting those sites.

The attack vector is primarily network-based, requiring users to visit a malicious site. The attack complexity is low, as it does not require elevated privileges or special conditions to exploit. User interaction is necessary, as the user must visit the malicious site to facilitate the attack.

While the vulnerability does not impact the integrity or availability of the affected systems, it poses a significant risk to user confidentiality, as sensitive data could be exfiltrated by attackers.

Risk & Impact Analysis

Organizations should assess the deployment of affected Apple products within their environments. The risk of exploitation, while currently unproven, is significant due to the nature of cross-origin vulnerabilities, which can lead to data leakage. The potential blast radius includes any sensitive data accessible through the web browser, making this a critical issue for users of Safari and related platforms.

Given the CVSS score of 6.5, organizations should address this vulnerability in their priority patch cycle. Immediate action is recommended to mitigate the risk of unauthorized data access.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The following versions are affected by this vulnerability: Safari (all versions prior to 18.0), iOS (all versions prior to 18.0), iPadOS (all versions prior to 18.0), macOS (all versions prior to 15.0), tvOS (all versions prior to 18.0), visionOS (all versions prior to 2.0), and watchOS (all versions prior to 11.0). Organizations are encouraged to upgrade to the latest versions to mitigate the risk.

Mitigation & Remediation

Organizations should ensure that all affected Apple products are updated to the latest versions immediately to mitigate the risk associated with CVE-2024-44187. The recommended versions are Safari 18, iOS 18, iPadOS 18, macOS Sequoia 15, tvOS 18, visionOS 2, and watchOS 11.

In situations where immediate updates are not possible, organizations may consider implementing additional network controls to limit exposure to potential threats, including restricting access to untrusted sites. Regular monitoring of network traffic for malicious activity is also advised.

For further guidance, organizations may explore services such as penetration testing to assess their security posture and identify vulnerabilities.

Detection Guidance

Organizations should monitor logs for unusual access patterns or requests originating from untrusted sources. Behavioral anomalies in user sessions may indicate exploitation attempts, requiring immediate investigation. Additionally, monitoring network signatures can help detect potential exploit attempts against this vulnerability.

AppSecure Threat Intelligence Insight

CVE-2024-44187 highlights the ongoing challenges associated with cross-origin vulnerabilities, particularly in widely-used web technologies. Organizations must remain vigilant against such threats, as they can lead to significant data breaches and loss of user trust.

Security teams should implement robust security measures, including regular vulnerability assessments and timely patch management. For further insights, organizations can look into our comprehensive vulnerability management program and best practices for secure coding.

Additionally, the impact of vulnerabilities like CVE-2024-44187 reinforces the necessity for continuous security testing. Organizations should consider adopting a strategy for penetration testing to proactively identify and remediate security flaws.

In conclusion, by prioritizing patch management and adopting a proactive security posture, organizations can effectively mitigate risks associated with evolving vulnerabilities.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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