CVE-2024-20055 in MT2713
Summary
by MITRE • 04/01/2024
In imgsys, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is needed for exploitation Patch ID: ALPS08518692; Issue ID: MSV-1012.
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Analysis
by VulDB Data Team • 03/26/2025
The vulnerability identified as CVE-2024-20055 resides within the imgsys component of a system architecture, representing a critical information disclosure flaw that stems from inadequate input validation mechanisms. This particular weakness manifests as a missing bounds check within the image processing subsystem, creating a potential attack vector that could be exploited by malicious actors. The vulnerability requires local system execution privileges for successful exploitation, indicating that an attacker must already have established access to the target system before leveraging this flaw. The issue was specifically addressed through patch ID ALPS08518692 and corresponds to issue ID MSV-1012 within the vendor's tracking system. The nature of this vulnerability places it squarely within the scope of CWE-129, which encompasses improper validation of array indices, and more broadly aligns with CWE-200, focusing on information exposure. The attack surface is further contextualized by ATT&CK framework techniques such as T1005 for data from local system repositories and T1059 for command and scripting interpreter usage, as exploitation would likely require executing commands within the compromised environment.
The technical implementation of this vulnerability occurs at the boundary between user-supplied image data and the internal processing routines of imgsys, where insufficient validation allows for buffer over-read conditions. When an attacker provides malformed image input, the missing bounds check permits access beyond allocated memory boundaries, potentially exposing sensitive data from adjacent memory regions. This type of flaw typically arises from developers assuming that input data will conform to expected formats without implementing proper validation routines, leading to scenarios where memory corruption or data leakage can occur. The exploitation process requires user interaction, suggesting that the vulnerability may be triggered through specific image file manipulation or processing commands that would normally be initiated by a user within the system environment. The patch implementation addresses this by introducing comprehensive bounds checking mechanisms that validate all array access operations, ensuring that input data cannot exceed allocated memory limits. This remediation approach directly addresses the root cause identified in the CWE-129 category, which specifically targets improper validation of array indices and similar memory boundary violations.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposure of sensitive data could potentially include system credentials, configuration details, or other confidential information stored in adjacent memory locations. Local information disclosure threats represent a significant concern for system security, particularly when the compromised system already contains elevated privileges, as the attacker could leverage this information to escalate their access further within the environment. The requirement for system execution privileges indicates that this vulnerability does not provide direct remote access but rather represents a privilege escalation or information gathering vector for attackers who have already established a foothold on the target system. From a security operations perspective, this vulnerability demonstrates the importance of implementing robust input validation controls and continuous security testing of system components, particularly those handling user-provided data. The presence of such flaws underscores the necessity of adhering to secure coding practices and maintaining comprehensive testing procedures that validate all potential data paths through system components.
Mitigation strategies for CVE-2024-20055 should prioritize immediate deployment of the vendor-provided patch ALPS08518692, which addresses the missing bounds check issue through comprehensive memory validation routines. Organizations should implement additional defensive measures including input sanitization protocols, regular security assessments of image processing components, and monitoring for unusual data access patterns that might indicate exploitation attempts. The remediation process should include thorough testing of the patched component to ensure that legitimate functionality remains intact while addressing the identified vulnerability. Security teams should also consider implementing network segmentation and access controls to limit potential damage from successful exploitation attempts, particularly in environments where the imgsys component processes untrusted image data from external sources. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies that reduce the attack surface available to potential adversaries. Regular security training for development teams should emphasize secure coding practices, particularly around memory management and input validation, to prevent similar vulnerabilities from emerging in future system components.