CVE-2022-47489 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 • 01/29/2025
The vulnerability identified as CVE-2022-47489 resides within the soter service component, representing a critical out-of-bounds write flaw that stems from inadequate input validation mechanisms. This issue manifests when the service processes data without performing proper bounds checking, creating a scenario where memory operations can exceed allocated buffer boundaries. The vulnerability is classified as a direct consequence of insufficient validation controls that should have been implemented to prevent unauthorized memory access patterns. Such flaws typically arise in systems where developers assume input parameters will remain within expected ranges without implementing defensive programming measures.
The technical implementation of this vulnerability allows an attacker with system execution privileges to manipulate memory layout through crafted inputs that trigger the out-of-bounds write condition. When the soter service encounters malformed data during processing, it fails to validate the input length against buffer capacity, enabling memory corruption that can result in system instability. This particular flaw falls under the CWE-129 weakness category, which specifically addresses insufficient bounds checking in software implementations. The vulnerability creates a pathway for local denial of service attacks where the compromised service becomes unavailable to legitimate users, effectively disrupting system operations and potentially providing a vector for further exploitation.
The operational impact of CVE-2022-47489 extends beyond simple service disruption, as it represents a fundamental security weakness that could be leveraged to escalate privileges or cause system crashes. The requirement for system execution privileges to exploit this vulnerability indicates that it operates at a privileged level within the system architecture, making it particularly concerning for environments where such privileges are widely distributed. Attackers could potentially use this vulnerability to maintain persistent access or to create conditions that facilitate more severe attacks, including privilege escalation or complete system compromise. The vulnerability aligns with ATT&CK technique T1068 which covers the use of local privilege escalation techniques, and T1499 which addresses network denial of service through system resource exhaustion.
Mitigation strategies for this vulnerability should focus on implementing comprehensive bounds checking mechanisms throughout the soter service codebase, including input validation at multiple layers of the application architecture. The recommended approach involves adding explicit buffer size validation before any memory operations occur, implementing proper error handling for malformed inputs, and conducting thorough code reviews to identify similar patterns that may exist elsewhere in the system. Additionally, employing memory safety features such as stack canaries, address space layout randomization, and compiler-based bounds checking can provide additional defense-in-depth measures. Regular security assessments and penetration testing should be conducted to ensure that similar vulnerabilities are not present in other components of the system architecture, while also maintaining up-to-date system patches and monitoring for any exploitation attempts that may indicate active attacks against this or related vulnerabilities.