CVE-2021-25486 in ipcdump
Summary
by MITRE • 10/06/2021
Exposure of information vulnerability in ipcdump prior to SMR Oct-2021 Release 1 allows an attacker detect device information via analyzing packet in log.
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Analysis
by VulDB Data Team • 10/10/2021
The vulnerability identified as CVE-2021-25486 represents a significant information exposure flaw within the ipcdump utility of a mobile device operating system prior to the SMR October 2021 Release 1. This vulnerability falls under the category of information disclosure, where sensitive device information can be inadvertently exposed through network packet analysis. The ipcdump utility is typically responsible for capturing and logging inter-process communication data, which forms a critical component of system monitoring and debugging functions. However, the flaw allows unauthorized parties to extract device-specific information by examining the logged packet data, potentially compromising the device's security posture through reconnaissance activities.
The technical implementation of this vulnerability stems from insufficient sanitization of packet data within the ipcdump utility's logging mechanism. When the utility processes and records inter-process communication, it fails to properly filter or obfuscate sensitive information that may be contained within the packet headers or payloads. This oversight enables attackers to analyze the captured logs and extract device identifiers, communication patterns, and potentially other system-specific information that could be leveraged for further exploitation. The vulnerability is particularly concerning because it operates at the system level where normal logging activities occur, making it difficult to detect and remediate without comprehensive system auditing.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposed device information can serve as a foundation for more sophisticated attacks. Attackers can use the gathered information to build detailed profiles of target devices, identify potential attack vectors, and tailor subsequent exploitation attempts. The vulnerability affects devices prior to the October 2021 security patch, indicating that a significant number of devices may be at risk if they have not received the necessary updates. This exposure creates a window of opportunity for threat actors to conduct reconnaissance activities and potentially escalate their attacks through techniques such as device fingerprinting or targeted malware deployment. The vulnerability's classification aligns with CWE-200, which addresses information exposure issues, and could potentially map to ATT&CK technique T1082 for system information discovery.
Organizations and device users should prioritize immediate remediation through the installation of the SMR October 2021 Release 1 security patches. The mitigation strategy should include comprehensive system auditing to identify any potential exploitation attempts that may have occurred prior to patch installation. Network monitoring systems should be enhanced to detect unusual packet analysis patterns that might indicate exploitation of this vulnerability. Additionally, system administrators should implement logging controls that limit the exposure of sensitive information in diagnostic and monitoring utilities, ensuring that future implementations follow secure coding practices that prevent similar information disclosure vulnerabilities. The vulnerability underscores the importance of proper input validation and data sanitization in system utilities that handle inter-process communication data.