CVE-2001-0184 in Iris
Summary
by MITRE
eEye Iris 1.01 beta allows remote attackers to cause a denial of service via a malformed packet, which causes Iris to crash when a user views the packet.
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Analysis
by VulDB Data Team • 01/26/2025
The vulnerability identified as CVE-2001-0184 affects eEye Iris 1.01 beta network packet analysis software, representing a classic denial of service flaw that exploits improper input validation mechanisms within the application's packet processing pipeline. This vulnerability resides in the software's ability to handle malformed network packets, specifically when users attempt to view such packets within the application interface. The flaw demonstrates a fundamental weakness in the software's defensive programming practices, where the application fails to properly sanitize or validate incoming packet data before attempting to parse and display it to the end user. The vulnerability operates at the application layer of the network stack, specifically targeting the packet visualization component that is essential for network security analysis and monitoring activities.
The technical implementation of this vulnerability stems from the application's lack of robust error handling and input validation routines within its packet parsing engine. When a malformed packet is processed and subsequently viewed by the user, the Iris application encounters unexpected data structures or malformed protocol fields that cause the software to terminate abnormally. This behavior aligns with common software security weaknesses categorized under CWE-129, which deals with insufficient validation of length fields, and CWE-248, which addresses unhandled exceptions in software applications. The vulnerability exploits the principle of input sanitization failure, where the application does not adequately verify that incoming data conforms to expected formats and protocols before processing. The attack vector is particularly concerning as it requires no authentication or elevated privileges, making it accessible to any remote attacker who can successfully transmit a malformed packet to a system running the vulnerable eEye Iris software.
From an operational impact perspective, this vulnerability creates significant security implications for network monitoring and incident response activities. Organizations relying on eEye Iris for network traffic analysis and security auditing face potential disruption of their monitoring capabilities when attackers exploit this flaw to crash the application. The denial of service condition effectively prevents security analysts from performing critical packet inspection tasks, potentially creating blind spots in network security monitoring during active attacks. The vulnerability also represents a potential vector for more sophisticated attacks, as the application crash could be leveraged to create a distraction while other malicious activities occur, or to establish a baseline for understanding the application's stability characteristics. According to ATT&CK framework, this vulnerability could be categorized under T1499.004 - Endpoint Denial of Service, where the attacker targets application stability to disrupt legitimate system operations, and potentially T1071.004 - Application Layer Protocol, when the malformed packet is crafted to specifically target the application's parsing routines.
The remediation approach for this vulnerability involves implementing comprehensive input validation and robust error handling mechanisms within the packet processing component of the eEye Iris application. Software vendors should ensure that all incoming packet data undergoes thorough validation before being processed or displayed, with specific attention to malformed or unexpected protocol structures. The solution requires the implementation of defensive programming practices including bounds checking, protocol field validation, and graceful error handling that prevents application crashes when encountering malformed data. Additionally, the software should implement proper exception handling routines that can catch and recover from parsing errors without terminating the entire application process. Organizations should also consider implementing network segmentation and monitoring to detect and respond to exploitation attempts, while maintaining updated versions of network security tools to avoid exposure to known vulnerabilities. The vulnerability serves as a reminder of the critical importance of secure coding practices in network security applications where the software must handle potentially malicious or malformed data from untrusted sources, aligning with industry best practices outlined in the OWASP Top Ten and NIST cybersecurity frameworks for secure software development.