CVE-2023-45780 in Android
Summary
by MITRE • 10/30/2023
In Print Service, there is a possible background activity launch due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
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Analysis
by VulDB Data Team • 09/06/2024
The vulnerability identified as CVE-2023-45780 resides within the print service component of a software system, representing a critical logic error that enables unauthorized privilege escalation. This flaw specifically manifests through an improper handling of background activity launches, creating a pathway for malicious actors to elevate their system privileges without requiring additional execution rights. The vulnerability's classification as a local privilege escalation issue indicates that exploitation occurs within the same system where the print service operates, making it particularly concerning for environments where multiple users share system resources. The requirement for user interaction during exploitation suggests that the attack vector involves some form of social engineering or user deception, where an individual must perform a specific action to trigger the vulnerability.
The technical root cause of this vulnerability stems from a logic error within the print service code that fails to properly validate or control background activity initiation processes. This flaw likely involves inadequate input validation or improper access control mechanisms when processing print jobs or related background tasks. When a user interacts with the print service functionality, the system's logic error causes it to inadvertently launch background processes with elevated privileges or access levels that should normally be restricted. The vulnerability's presence in the print service component is particularly problematic because print services often run with elevated permissions to access hardware resources and system components, making them attractive targets for privilege escalation attacks. This issue aligns with CWE-250, which describes the improper handling of privileges, and represents a classic example of how background process management can create security weaknesses when proper privilege separation is not maintained.
The operational impact of CVE-2023-45780 extends beyond simple privilege escalation, potentially allowing attackers to gain unauthorized access to system resources, modify critical files, or execute arbitrary code with elevated privileges. Once a local user successfully exploits this vulnerability, they could access sensitive data, install malicious software, or compromise the integrity of the entire system. The fact that no additional execution privileges are required for exploitation makes this vulnerability particularly dangerous as it eliminates the need for initial access through other attack vectors. The user interaction requirement suggests that attackers may need to craft specific print jobs or use particular print service features to trigger the vulnerability, but once triggered, the privilege escalation occurs automatically. This vulnerability affects system administrators and regular users alike, as any individual with access to the print service functionality could potentially exploit this weakness to gain elevated privileges.
Mitigation strategies for CVE-2023-45780 should focus on immediate patching of the affected print service component, which would address the underlying logic error causing the improper background activity launch. Organizations should implement strict access controls for print service functionality, limiting which users can submit print jobs or access advanced print settings that might trigger the vulnerability. Network segmentation and privilege separation should be enforced to prevent lateral movement if exploitation occurs, ensuring that even if an attacker successfully escalates privileges, they cannot easily access other system components. Additionally, monitoring and logging of print service activities should be enhanced to detect unusual background process launches or privilege escalation attempts. The remediation approach should align with ATT&CK technique T1068, which addresses local privilege escalation, and should include comprehensive testing to verify that the patch effectively resolves the logic error without introducing regressions in print service functionality. Security teams should also consider implementing application whitelisting policies for print-related executables and regularly audit print service configurations to ensure that unnecessary elevated permissions are not granted to background processes.