CVE-2001-0325 in RTP
Summary
by MITRE
Buffer overflow in QNX RTP 5.60 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a large number of arguments to the stat command.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 05/11/2019
The vulnerability identified as CVE-2001-0325 represents a critical buffer overflow flaw discovered in QNX RTP 5.60 operating system. This issue specifically affects the stat command implementation within the QNX real-time operating system, creating a security weakness that can be exploited remotely by malicious actors. The vulnerability stems from inadequate input validation mechanisms that fail to properly handle excessive argument quantities passed to the stat system call. Buffer overflow conditions occur when programs write more data to a fixed-length buffer than it can accommodate, potentially overwriting adjacent memory locations and corrupting system integrity.
The technical exploitation of this vulnerability involves crafting malicious input with an excessive number of arguments to be passed to the stat command, which triggers the buffer overflow condition in the QNX RTP 5.60 implementation. When the system processes these malformed arguments, the insufficient buffer size validation allows the overflow to occur, potentially leading to unpredictable system behavior. The remote nature of this attack means that adversaries can leverage network connectivity to deliver the malicious input without requiring physical access to the target system, making it particularly dangerous in networked environments. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions where insufficient boundary checking allows attackers to overwrite adjacent memory locations.
The operational impact of CVE-2001-0325 extends beyond simple denial of service scenarios to potentially enable arbitrary code execution on affected systems. When successful, the buffer overflow can allow remote attackers to execute malicious code with the privileges of the affected process, typically resulting in complete system compromise. The denial of service aspect manifests as system crashes, application failures, or unresponsive services that can disrupt critical operations in real-time environments where QNX RTP 5.60 is deployed. Organizations utilizing this operating system in industrial control systems, automotive applications, or embedded devices face significant risk exposure, as these environments often lack traditional security controls and may operate in isolated network segments where such attacks can go undetected for extended periods.
Mitigation strategies for this vulnerability require immediate implementation of system updates and patches provided by QNX to address the buffer overflow in the stat command implementation. Network administrators should implement defensive measures including input validation controls, argument sanitization, and monitoring for unusual command execution patterns that may indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under privilege escalation and denial of service techniques, emphasizing the need for comprehensive network segmentation and access controls. Organizations should also consider implementing intrusion detection systems that can identify anomalous argument patterns being passed to system commands, along with regular security assessments to identify other potential buffer overflow vulnerabilities in legacy systems. System hardening procedures should include disabling unnecessary network services and implementing proper input validation at all system interfaces to prevent similar issues from occurring in other components of the QNX RTP 5.60 environment.