CVE-2022-48240 in SC9863A
Summary
by MITRE • 05/09/2023
In camera driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with System execution privileges needed.
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Analysis
by VulDB Data Team • 01/28/2025
The vulnerability identified as CVE-2022-48240 resides within the camera driver component of a system, representing a critical security flaw that could be exploited to disrupt normal operations. This issue manifests as an out-of-bounds write condition that occurs when the driver fails to validate input parameters before processing them. The missing bounds check creates an opportunity for malicious actors to manipulate the driver's behavior through crafted input data, potentially leading to system instability or complete service interruption.
This vulnerability falls under the CWE-787 category of out-of-bounds write conditions, which are particularly dangerous because they can result in memory corruption that may be exploited to execute arbitrary code or cause system crashes. The camera driver's failure to implement proper input validation creates a pathway for attackers to write data beyond the allocated memory boundaries, potentially overwriting critical system structures or executable code. The attack requires local system execution privileges, meaning an attacker must already have access to the system to exploit this weakness, but the impact can be severe once achieved.
The operational impact of CVE-2022-48240 extends beyond simple denial of service, as it represents a potential vector for more sophisticated attacks within a compromised system. When an out-of-bounds write occurs in a driver context, it can lead to privilege escalation opportunities or system instability that affects the entire platform's reliability. The camera driver, being a core system component, can cause cascading failures that impact other services and applications running on the same platform. This vulnerability aligns with ATT&CK technique T1068 which involves the use of local system privileges to execute malicious code or manipulate system components.
The exploitation of this vulnerability typically involves crafting specific input data that triggers the missing bounds check during camera driver operations. Attackers may leverage this weakness to cause system crashes, create denial of service conditions, or potentially gain elevated privileges through memory corruption techniques. The requirement for system execution privileges means that this vulnerability is not easily exploitable from remote locations but poses a significant risk in environments where local access is possible. Mitigation strategies should focus on implementing proper input validation, bounds checking, and regular driver updates to address this and similar memory corruption vulnerabilities that could be leveraged for more serious attacks.