CVE-2022-47352 in T610
Summary
by MITRE • 09/04/2023
In camera driver, there is a possible out of bounds read due to a missing bounds check. This could lead to local denial of service with System execution privileges needed
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/30/2023
The vulnerability identified as CVE-2022-47352 resides within a camera driver component, representing a critical security flaw that could potentially compromise system integrity and availability. This issue manifests as an out-of-bounds read condition that occurs when the driver fails to perform adequate bounds checking on data inputs. The absence of proper validation mechanisms creates a scenario where malicious actors could exploit this weakness to disrupt normal system operations. The vulnerability specifically affects the camera driver subsystem, which typically operates with elevated privileges to access hardware components directly, making the potential impact more severe than typical software flaws. According to the Common Weakness Enumeration framework, this vulnerability maps to CWE-129, which describes insufficient bounds checking, a classification that encompasses various forms of buffer overflows and out-of-bounds memory accesses. The operational impact of this flaw extends beyond simple functionality degradation, as it could enable local attackers to achieve denial of service conditions that might persist until system reboot. The requirement for system execution privileges to exploit this vulnerability indicates that it operates at a privileged level within the operating system, potentially allowing for more extensive system compromise than vulnerabilities requiring only user-level access.
The technical implementation of this vulnerability stems from inadequate input validation within the camera driver's memory management routines. When the driver processes data from camera hardware or user applications, it fails to verify that array indices or memory pointers remain within acceptable bounds before accessing memory locations. This missing bounds check creates a predictable exploitation vector where an attacker can craft malicious inputs that cause the driver to read data from memory locations outside the intended buffer boundaries. The out-of-bounds read operation typically results in memory access violations that can trigger system crashes or unexpected behavior, ultimately leading to denial of service conditions. From an attack perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the T1059.001 subtechnique, which involves command and scripting interpreter execution, as the denial of service could potentially be leveraged to create conditions favorable for further exploitation. The privilege escalation aspect of this vulnerability means that the attack surface is significantly expanded since the attacker already operates with system-level privileges, making the exploitation more straightforward and impactful.
The practical implications of CVE-2022-47352 extend to various operational environments where camera drivers are deployed, including desktop systems, servers, and embedded devices that utilize camera hardware. In enterprise environments, this vulnerability could be exploited by malicious insiders or compromised users to disrupt critical operations, particularly in scenarios where camera functionality is integral to security systems, video conferencing, or surveillance applications. The local nature of the exploit requirement means that physical access or existing user credentials are sufficient to initiate the attack, reducing the complexity of exploitation. Organizations should consider implementing robust input validation controls and memory safety mechanisms as part of their defensive strategies. The mitigation approach typically involves updating the camera driver to include proper bounds checking routines, which would prevent the out-of-bounds memory access from occurring. Additionally, system administrators should ensure that all camera drivers are kept up to date with the latest security patches, as this vulnerability represents a known weakness that has been addressed through vendor updates. The remediation process should include thorough testing to ensure that the bounds checking implementation does not introduce performance regressions or compatibility issues with existing camera hardware configurations. Security monitoring should also be enhanced to detect unusual patterns in camera driver behavior that might indicate exploitation attempts. Organizations implementing zero trust security models should consider this vulnerability as part of their threat surface assessment, particularly in environments where camera hardware is frequently accessed or where privileged accounts are present. The vulnerability serves as a reminder of the importance of memory safety practices in kernel-level drivers and highlights the need for comprehensive code review processes that specifically target buffer management and input validation controls.