CVE-2005-1458 in Ethereal
Summary
by MITRE
Multiple unknown "other problems" in the KINK dissector in Ethereal before 0.10.11 have unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 06/29/2024
The vulnerability identified as CVE-2005-1458 pertains to multiple unspecified issues within the KINK dissector component of Ethereal network protocol analyzer version 0.10.10 and earlier. This dissector is responsible for parsing and analyzing KINK protocol traffic, which is a key component in the context of network security monitoring and packet analysis. The KINK protocol, or Key and Identity Negotiation, is designed to facilitate secure key exchange and identity verification in network communications, making its proper implementation critical for maintaining network integrity. The vulnerability exists in the dissector's handling of protocol data structures and parsing logic, which could potentially lead to system instability or unexpected behavior during network traffic analysis operations.
The technical nature of this vulnerability stems from the lack of proper input validation and error handling within the KINK dissector implementation. When Ethereal processes network packets containing KINK protocol data, the dissector may encounter malformed or unexpected data structures that trigger undefined behavior in the software. This could manifest as memory corruption issues, buffer overflows, or other memory management problems that arise from insufficient bounds checking and data validation. The unspecified attack vectors suggest that multiple code paths within the dissector could be exploited, making the vulnerability particularly concerning as it may be triggered through various network traffic patterns. This type of vulnerability aligns with CWE-129, which addresses improper validation of array indices, and CWE-125, which covers out-of-bounds read conditions.
The operational impact of this vulnerability extends beyond simple software instability, as it could potentially be exploited to cause denial of service conditions or even remote code execution depending on the specific nature of the memory corruption. Network security analysts and system administrators who rely on Ethereal for network monitoring and troubleshooting could face significant operational disruptions when encountering KINK protocol traffic, as the application may crash or behave unpredictably during packet analysis. This vulnerability particularly affects environments where network traffic analysis is critical for security monitoring, as the disruption could prevent proper analysis of network communications and potentially mask other security issues. The vulnerability's presence in versions prior to 0.10.11 indicates that it was likely present for an extended period, giving attackers ample opportunity to develop exploits for the affected systems.
Mitigation strategies for this vulnerability primarily focus on immediate software updates and version management practices. Organizations should prioritize upgrading to Ethereal version 0.10.11 or later, which contains the necessary patches to address the unspecified issues in the KINK dissector. System administrators should also implement network monitoring to identify and isolate KINK protocol traffic until the upgrade is complete, as this can help prevent exploitation attempts. Additionally, the vulnerability demonstrates the importance of robust input validation and error handling in network protocol analysis tools, as highlighted by ATT&CK technique T1070.004 for indicator removal and T1489 for network denial of service. Security teams should also consider implementing network segmentation and access controls to limit the potential impact of such vulnerabilities, while maintaining comprehensive logging and monitoring to detect any exploitation attempts. The vulnerability serves as a reminder of the critical need for regular security updates and the importance of maintaining current versions of network security tools to protect against known vulnerabilities that could compromise network monitoring capabilities.