CVE-2024-20016 in MT6735
Summary
by MITRE • 02/05/2024
In ged, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation Patch ID: ALPS07835901; Issue ID: ALPS07835901.
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Analysis
by VulDB Data Team • 02/29/2024
The vulnerability identified as CVE-2024-20016 affects the ged component and represents a critical integer overflow condition that can result in out-of-bounds write operations. This flaw exists within the system's memory management mechanisms where an integer overflow occurs during data processing, potentially allowing an attacker to manipulate memory boundaries beyond intended limits. The vulnerability specifically impacts systems where ged functionality is utilized, creating opportunities for malicious actors to exploit memory corruption patterns that could lead to system instability and operational disruption.
The technical implementation of this vulnerability stems from inadequate input validation and overflow checking within the ged component's processing logic. When handling certain data inputs, the system fails to properly validate integer values before performing arithmetic operations that could exceed maximum representable values. This condition creates a scenario where subsequent memory allocation or access operations reference invalid memory locations, resulting in potential buffer overflows that can corrupt adjacent memory segments. The vulnerability's classification as an integer overflow aligns with CWE-190, which specifically addresses integer overflow conditions that can lead to memory corruption and arbitrary code execution scenarios.
From an operational perspective, this vulnerability presents a significant risk for local privilege escalation attacks where an attacker with system execution privileges can leverage the out-of-bounds write condition to achieve denial of service. The exploitation requires only system-level privileges without user interaction, making it particularly dangerous in environments where elevated access is more readily available. The impact extends beyond simple service disruption to potentially compromise system integrity and availability, as the memory corruption can cause system crashes or unpredictable behavior that affects critical operations. The vulnerability's characteristics align with ATT&CK technique T1059, specifically targeting system execution environments where memory corruption can be leveraged for malicious purposes.
The patch ID ALPS07835901 provides a targeted fix for this vulnerability, addressing the integer overflow condition through enhanced input validation and proper boundary checking mechanisms. This remediation approach follows industry best practices for preventing memory corruption vulnerabilities by implementing robust data validation and overflow protection measures. Organizations should prioritize applying this patch to all affected systems to mitigate the risk of exploitation and maintain system stability. The issue ID ALPS07835901 indicates this vulnerability was tracked through a specific development lifecycle, suggesting proper vulnerability management processes were in place for identification and resolution. Security teams should monitor for additional related vulnerabilities that may share similar root causes within the ged component or related systems, as integer overflow conditions often indicate broader architectural weaknesses that require comprehensive security assessments.