CVE-2022-32800: An app may be able to modify protected parts of the file system in Apple macOS
This issue was addressed with improved checks. This issue is fixed in Security Update 2022-005 Catalina, macOS Big Sur 11.6.8, macOS Monterey 12.5. An app may be able to modify protected parts of the file system.
AI Analysis
Technical Summary
CVE-2022-32800 is a medium-severity vulnerability affecting Apple macOS operating systems, including versions Catalina, Big Sur (11.6.8), and Monterey (12.5). The vulnerability allows an application to potentially modify protected parts of the file system, which are normally restricted to prevent unauthorized changes. This issue arises from insufficient access control checks, categorized under CWE-284 (Improper Access Control). Exploitation requires local access (AV:L), low attack complexity (AC:L), no privileges required (PR:N), but user interaction is necessary (UI:R). The vulnerability impacts integrity (I:H) but does not affect confidentiality or availability. Apple addressed this vulnerability by implementing improved verification mechanisms in the specified security updates. No known exploits have been reported in the wild, indicating that active exploitation is not currently observed. However, the ability for an unprivileged app to alter protected system files poses a significant risk, as it could lead to unauthorized system modifications, persistence mechanisms, or bypass of security controls. The vulnerability's scope is limited to local attackers who can convince a user to run a malicious app, but the impact on system integrity is high if exploited successfully.
Potential Impact
For European organizations, this vulnerability presents a risk primarily to endpoints running affected macOS versions. Organizations relying on Apple hardware and software for critical operations could face integrity compromises if malicious applications exploit this flaw to modify system files. This could lead to unauthorized persistence of malware, tampering with security configurations, or disruption of system operations. Although exploitation requires user interaction, targeted phishing or social engineering campaigns could facilitate this. The absence of known exploits reduces immediate risk, but the medium severity and potential for stealthy system modifications necessitate proactive patching. Industries with high reliance on macOS, such as creative sectors, software development, and certain governmental agencies, may be more vulnerable. Additionally, organizations with bring-your-own-device (BYOD) policies that include macOS devices should be cautious, as unmanaged devices could be exploited to gain a foothold in corporate networks.
Mitigation Recommendations
European organizations should prioritize deploying the Apple security updates that fix this vulnerability: Security Update 2022-005 Catalina, macOS Big Sur 11.6.8, and macOS Monterey 12.5. Beyond patching, organizations should implement application whitelisting to restrict execution of unauthorized or untrusted applications. Endpoint protection solutions with behavioral detection can help identify attempts to modify protected system files. User education is critical to reduce the risk of social engineering attacks that could lead to running malicious apps. Restricting local user permissions and enforcing the principle of least privilege can limit the impact of exploitation. Regular audits of system integrity and file system permissions can help detect unauthorized changes. For managed environments, leveraging Mobile Device Management (MDM) tools to enforce update policies and monitor device compliance is recommended. Finally, network segmentation and monitoring can help contain potential lateral movement if a device is compromised.
Affected Countries
Germany, France, United Kingdom, Netherlands, Sweden, Finland, Denmark, Ireland, Belgium, Switzerland
CVE-2022-32800: An app may be able to modify protected parts of the file system in Apple macOS
Description
This issue was addressed with improved checks. This issue is fixed in Security Update 2022-005 Catalina, macOS Big Sur 11.6.8, macOS Monterey 12.5. An app may be able to modify protected parts of the file system.
AI-Powered Analysis
Technical Analysis
CVE-2022-32800 is a medium-severity vulnerability affecting Apple macOS operating systems, including versions Catalina, Big Sur (11.6.8), and Monterey (12.5). The vulnerability allows an application to potentially modify protected parts of the file system, which are normally restricted to prevent unauthorized changes. This issue arises from insufficient access control checks, categorized under CWE-284 (Improper Access Control). Exploitation requires local access (AV:L), low attack complexity (AC:L), no privileges required (PR:N), but user interaction is necessary (UI:R). The vulnerability impacts integrity (I:H) but does not affect confidentiality or availability. Apple addressed this vulnerability by implementing improved verification mechanisms in the specified security updates. No known exploits have been reported in the wild, indicating that active exploitation is not currently observed. However, the ability for an unprivileged app to alter protected system files poses a significant risk, as it could lead to unauthorized system modifications, persistence mechanisms, or bypass of security controls. The vulnerability's scope is limited to local attackers who can convince a user to run a malicious app, but the impact on system integrity is high if exploited successfully.
Potential Impact
For European organizations, this vulnerability presents a risk primarily to endpoints running affected macOS versions. Organizations relying on Apple hardware and software for critical operations could face integrity compromises if malicious applications exploit this flaw to modify system files. This could lead to unauthorized persistence of malware, tampering with security configurations, or disruption of system operations. Although exploitation requires user interaction, targeted phishing or social engineering campaigns could facilitate this. The absence of known exploits reduces immediate risk, but the medium severity and potential for stealthy system modifications necessitate proactive patching. Industries with high reliance on macOS, such as creative sectors, software development, and certain governmental agencies, may be more vulnerable. Additionally, organizations with bring-your-own-device (BYOD) policies that include macOS devices should be cautious, as unmanaged devices could be exploited to gain a foothold in corporate networks.
Mitigation Recommendations
European organizations should prioritize deploying the Apple security updates that fix this vulnerability: Security Update 2022-005 Catalina, macOS Big Sur 11.6.8, and macOS Monterey 12.5. Beyond patching, organizations should implement application whitelisting to restrict execution of unauthorized or untrusted applications. Endpoint protection solutions with behavioral detection can help identify attempts to modify protected system files. User education is critical to reduce the risk of social engineering attacks that could lead to running malicious apps. Restricting local user permissions and enforcing the principle of least privilege can limit the impact of exploitation. Regular audits of system integrity and file system permissions can help detect unauthorized changes. For managed environments, leveraging Mobile Device Management (MDM) tools to enforce update policies and monitor device compliance is recommended. Finally, network segmentation and monitoring can help contain potential lateral movement if a device is compromised.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- apple
- Date Reserved
- 2022-06-09T00:00:00.000Z
- Cisa Enriched
- true
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682f368b0acd01a249261118
Added to database: 5/22/2025, 2:36:59 PM
Last enriched: 7/8/2025, 10:25:57 AM
Last updated: 10/16/2025, 2:46:57 AM
Views: 24
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