CVE-2023-48352 in SC7731E
Summary
by MITRE • 01/18/2024
In phasecheckserver, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed
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Analysis
by VulDB Data Team • 02/12/2024
The vulnerability identified as CVE-2023-48352 resides within the phasecheckserver component, representing a critical out-of-bounds write condition that stems from inadequate input validation mechanisms. This flaw manifests when the system fails to properly verify array boundaries before writing data, creating an opportunity for memory corruption that can be exploited without requiring elevated privileges. The absence of proper bounds checking in the software's memory management routines creates a pathway for attackers to manipulate program flow through carefully crafted inputs that exceed allocated memory boundaries.
The technical nature of this vulnerability aligns with CWE-787, which specifically addresses out-of-bounds write conditions in software systems. This classification indicates that the flaw allows for writing data beyond the allocated memory space, potentially overwriting adjacent memory locations and causing unpredictable behavior. The operational impact extends beyond simple memory corruption as it enables local denial of service conditions where the targeted process becomes unstable or crashes entirely. Attackers can leverage this vulnerability to disrupt system availability without requiring administrative privileges or complex exploitation techniques, making it particularly dangerous in environments where system stability is paramount.
From an attack perspective, this vulnerability operates within the ATT&CK framework under the technique of privilege escalation and defense evasion, specifically targeting process stability and system availability. The local nature of the exploit means that adversaries need only access to the system where phasecheckserver operates to potentially cause service disruption. The vulnerability's impact is amplified by its accessibility, as no additional execution privileges are required to trigger the out-of-bounds write condition, making it an attractive target for malicious actors seeking to disrupt system operations. The lack of requirement for elevated privileges also means that this vulnerability could be exploited by unprivileged users or even automated tools, increasing its potential for widespread impact.
The mitigation strategies for CVE-2023-48352 should focus on implementing robust input validation and memory boundary checking mechanisms within the phasecheckserver component. Software developers should employ defensive programming practices including bounds checking, array size validation, and proper memory management techniques to prevent unauthorized memory access. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other components of the system. System administrators should ensure that all software components are kept up-to-date with the latest security patches and that monitoring systems are in place to detect anomalous behavior that might indicate exploitation attempts. The vulnerability's classification as a local denial of service means that implementing proper access controls and limiting system exposure can help reduce the attack surface, while also ensuring that the system's resilience against such memory corruption attacks is maintained through proper resource management and error handling procedures.