CVE-2019-5237 in PCManager
Summary
by MITRE
Huawei PCManager with the versions before 9.0.1.66 (Oversea) and versions before 9.0.1.70 (China) have a code execution vulnerability. Successful exploitation may cause the attacker to execute code and read/write information.
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Analysis
by VulDB Data Team • 11/21/2023
The vulnerability identified as CVE-2019-5237 affects Huawei PCManager software across specific version ranges, representing a critical code execution flaw that compromises system integrity and data security. This vulnerability exists within the desktop management software ecosystem and specifically targets the Oversea version prior to 9.0.1.66 and the China version prior to 9.0.1.70, making it a targeted threat for users operating these particular software configurations. The flaw allows malicious actors to execute arbitrary code on affected systems, potentially enabling full system compromise through remote or local attack vectors.
The technical implementation of this vulnerability stems from improper input validation and memory handling within the PCManager application, creating opportunities for attackers to inject malicious code that executes with the privileges of the running process. This type of vulnerability typically falls under CWE-119 which addresses "Improper Access to Memory" and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: Python" and T1059.001 for "Command and Scripting Interpreter: PowerShell" when attackers leverage such flaws for code execution. The underlying issue likely involves buffer overflows, unsafe string handling, or improper sanitization of user inputs that allow attackers to manipulate program execution flow and inject malicious payloads.
The operational impact of CVE-2019-5237 extends beyond simple code execution to encompass complete system compromise and data exfiltration capabilities. Attackers exploiting this vulnerability can read and write information across the compromised system, potentially accessing sensitive user data, modifying system configurations, or establishing persistent access through backdoor mechanisms. The vulnerability affects users who rely on Huawei PCManager for device management, system maintenance, and software updates, creating a significant risk for enterprise environments where these tools are commonly deployed. The attack surface is particularly concerning as the software often runs with elevated privileges, amplifying the potential damage from successful exploitation.
Mitigation strategies for CVE-2019-5237 require immediate software updates to versions 9.0.1.66 or later for Oversea deployments and 9.0.1.70 or later for China deployments, as these releases contain the necessary patches to address the code execution vulnerability. Organizations should implement network segmentation to limit access to systems running PCManager, disable unnecessary features and services, and conduct thorough vulnerability assessments to identify systems potentially affected by the flaw. Security monitoring should focus on detecting anomalous code execution patterns and unusual network activity that may indicate exploitation attempts. The remediation process must include comprehensive testing of updated software versions to ensure compatibility and prevent service disruptions while maintaining security posture against this specific threat vector.