CVE-2022-32616 in Android
Summary
by MITRE • 11/09/2022
In isp, there is a possible out of bounds write due to uninitialized data. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07341258; Issue ID: ALPS07341258.
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Analysis
by VulDB Data Team • 05/31/2026
The vulnerability identified as CVE-2022-32616 resides within the isp component of a system, representing a critical out-of-bounds write flaw that stems from the utilization of uninitialized data. This particular vulnerability manifests in a manner that allows for local privilege escalation, enabling an attacker with system execution privileges to potentially gain elevated access levels. The flaw exists in the way the isp module handles data processing, specifically when dealing with uninitialized memory segments that are subsequently written to without proper initialization checks. The absence of proper data validation and initialization creates a scenario where memory corruption can occur, potentially leading to arbitrary code execution or system compromise. This vulnerability is particularly concerning because it does not require user interaction for exploitation, making it a latent threat that can be leveraged by any local process with system execution capabilities. The issue is classified under CWE-457 which specifically addresses the use of uninitialized variables, a fundamental programming error that can result in unpredictable behavior and security weaknesses. The vulnerability impacts the integrity of the system's memory management and can potentially allow for privilege escalation attacks that bypass normal access controls.
The technical implementation of this vulnerability involves the isp module's failure to properly initialize memory before writing data to it, creating conditions where an attacker can manipulate memory contents to achieve unauthorized system access. When the isp component processes data, it attempts to write values to memory locations that have not been properly initialized, leading to unpredictable memory states. This uninitialized data can contain residual information from previous operations or system states, which when written to memory locations can corrupt system structures or overwrite critical data. The out-of-bounds write condition occurs when the system attempts to store data beyond the allocated memory boundaries, potentially overwriting adjacent memory regions that contain important system data or control structures. The exploitation mechanism relies on the attacker having system execution privileges, which allows them to control the execution flow and manipulate the memory layout to achieve privilege escalation. This flaw aligns with ATT&CK technique T1068 which covers "Local Port Knocking" and related privilege escalation methods, though the specific mechanism here is more directly related to memory corruption and uninitialized variable exploitation.
The operational impact of CVE-2022-32616 extends beyond simple privilege escalation as it represents a fundamental flaw in the system's memory management that can lead to complete system compromise. An attacker who successfully exploits this vulnerability can potentially gain root access or equivalent administrative privileges, allowing them to modify system files, install malicious software, or exfiltrate sensitive data. The vulnerability's nature as an out-of-bounds write makes it particularly dangerous because it can lead to memory corruption that affects system stability and security. The lack of user interaction requirement means that any local process with system execution privileges can potentially exploit this vulnerability, making it a significant threat in environments where such privileges are accessible to untrusted processes. The patch identified as ALPS07341258 addresses this issue by ensuring proper initialization of data structures before memory writes occur. This patch implementation should be prioritized in security updates and system maintenance cycles, as it directly addresses the root cause of the memory corruption vulnerability. Organizations should conduct immediate vulnerability assessments to identify systems running affected isp components and apply the patch to prevent potential exploitation.
The broader implications of this vulnerability highlight the importance of proper memory management practices and the dangers of uninitialized variable usage in security-critical systems. The flaw demonstrates how seemingly minor programming errors can result in significant security implications, particularly when dealing with system-level components. This vulnerability serves as a reminder of the critical need for comprehensive code reviews, static analysis, and proper memory management practices throughout the software development lifecycle. The presence of such vulnerabilities in system components underscores the necessity for robust security testing and the implementation of defense-in-depth strategies. Security teams should monitor for similar patterns in other system components and ensure that proper initialization procedures are implemented across all memory management operations. The vulnerability also emphasizes the importance of maintaining up-to-date patches and security updates, as the issue has been addressed through the ALPS07341258 patch. Organizations should establish automated patch management processes to ensure timely deployment of security fixes and maintain continuous monitoring for similar vulnerabilities in their system components.