CVE-2022-47495 in SC9863A
Summary
by MITRE • 05/09/2023
In soter service, 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-2022-47495 resides within the soter service component, representing a critical out-of-bounds write condition that stems from insufficient input validation mechanisms. This flaw manifests when the service processes data without proper boundary checks, creating an exploitable scenario where malicious input can cause memory corruption. The vulnerability specifically impacts systems where the soter service operates with system execution privileges, amplifying the potential impact of exploitation. From a cybersecurity perspective, this issue represents a classic buffer overflow vulnerability that violates fundamental memory safety principles and aligns with CWE-787, which addresses out-of-bounds write conditions in software applications.
The technical implementation of this vulnerability involves a missing bounds check during data processing within the soter service, allowing an attacker to manipulate memory locations beyond the intended buffer boundaries. When the service receives input data, it fails to validate whether the data length exceeds the allocated buffer size, resulting in memory corruption that can overwrite adjacent memory segments. This type of flaw typically occurs in scenarios where developers assume input data will remain within expected parameters without implementing proper validation mechanisms. The vulnerability's exploitation requires local access with system execution privileges, making it particularly concerning for environments where privilege escalation is possible or where the service runs with elevated permissions. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the execution of malicious code through memory corruption vulnerabilities.
The operational impact of CVE-2022-47495 extends beyond simple denial of service scenarios, potentially enabling attackers to execute arbitrary code with system-level privileges. Local denial of service represents the most immediate consequence, as the out-of-bounds write can cause the soter service to crash or become unresponsive, disrupting legitimate system operations. However, the underlying memory corruption could provide a foundation for more sophisticated attacks, including privilege escalation or persistent backdoor installation. Systems relying on the soter service for authentication, authorization, or cryptographic operations face heightened risk, as compromise of this service could undermine the entire security infrastructure. The vulnerability's exploitation potential is particularly significant in enterprise environments where services typically run with elevated privileges, making the system more susceptible to complete compromise.
Mitigation strategies for CVE-2022-47495 should focus on implementing comprehensive input validation and bounds checking mechanisms within the soter service. Organizations must prioritize immediate patching of affected systems, as this vulnerability represents a critical risk that requires urgent attention. The implementation of address space layout randomization, stack canaries, and other exploit mitigation techniques can provide additional defense in depth. Regular security assessments should include thorough code reviews focusing on memory management practices and input validation routines. System administrators should monitor for unauthorized access attempts and implement strict access controls for systems running the soter service. The vulnerability highlights the importance of following secure coding practices and adheres to industry standards such as those outlined in the CWE database, emphasizing the need for proper bounds checking and memory safety mechanisms in all software development processes.