CVE-2024-0772 in ShareAlarmPro
Summary
by MITRE • 01/22/2024
A vulnerability was found in Nsasoft ShareAlarmPro 2.1.4 and classified as problematic. Affected by this issue is some unknown functionality of the component Registration Handler. The manipulation of the argument Name/Key leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-251672. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2024-0772 represents a critical memory corruption flaw within Nsasoft ShareAlarmPro version 2.1.4, specifically within its Registration Handler component. This issue demonstrates a classic buffer overflow or memory corruption vulnerability that arises from inadequate input validation when processing the Name/Key arguments. The vulnerability operates at the kernel level where improper bounds checking allows malicious input to overwrite adjacent memory regions, potentially leading to arbitrary code execution or system instability. The attack vector requires local access, meaning an attacker must already have system-level privileges or physical access to the target machine, which significantly reduces the attack surface but does not eliminate the risk entirely. This classification aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios, both of which are common in software registration and licensing systems.
The operational impact of this vulnerability extends beyond simple memory corruption as it can potentially enable privilege escalation attacks within the local system environment. When an attacker manipulates the Name/Key arguments, they can trigger memory corruption that may lead to application crashes, denial of service conditions, or more severe consequences including code execution. The fact that this exploit has been publicly disclosed and is potentially in use indicates that threat actors have already developed working payloads against this specific vulnerability. The vulnerability's presence in a registration handler component is particularly concerning because such systems often run with elevated privileges and may contain sensitive data or have access to system resources. According to ATT&CK framework, this vulnerability could be leveraged under technique T1068, which involves exploiting legitimate credentials and privileges, and potentially T1059, where adversaries might use the corrupted system to execute malicious code.
The disclosure timeline reveals a concerning pattern of vendor inaction, as the vendor was contacted early about this vulnerability but failed to respond, leaving users exposed to potential exploitation. This lack of vendor response creates a dangerous environment where legitimate users remain vulnerable while attackers can freely exploit the flaw. The vulnerability's classification as problematic suggests that it was not a simple oversight but rather a fundamental design flaw in how the registration handler processes user input. The memory corruption nature of the vulnerability indicates that attackers could potentially craft payloads that manipulate heap or stack memory to execute arbitrary code, which would allow them to bypass security controls, escalate privileges, or establish persistent access to the compromised system. Organizations using Nsasoft ShareAlarmPro 2.1.4 should immediately implement mitigations including system hardening measures, input validation enforcement, and monitoring for suspicious activity that might indicate exploitation attempts. The vulnerability's local access requirement does not provide sufficient protection, as attackers who gain initial access through other means can leverage this flaw to maintain or escalate their privileges within the compromised environment.