CVE-2007-4358 in Zoidcom
Summary
by MITRE
Zoidcom 0.6.7 and earlier allows remote attackers to cause a denial of service (application crash) via a JOIN packet (aka connection packet) containing 0x69 in the ninth byte, which triggers a "double-delete" of trace data, a different vulnerability than CVE-2005-1643.
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Analysis
by VulDB Data Team • 01/26/2025
The vulnerability identified as CVE-2007-4358 affects Zoidcom version 0.6.7 and earlier implementations, representing a critical denial of service weakness that can be exploited remotely by attackers. This flaw manifests specifically through the manipulation of JOIN packets, also known as connection packets, which are fundamental components in network communication protocols. The vulnerability operates by targeting the ninth byte of these packets, where the presence of the hexadecimal value 0x69 triggers an abnormal application state that leads to system instability and eventual crash.
The technical mechanism behind this vulnerability involves a double-delete operation on trace data structures within the Zoidcom library. When a maliciously crafted JOIN packet containing 0x69 in the ninth byte is processed, the application attempts to delete the same memory location twice, causing memory corruption and subsequent application termination. This memory management error constitutes a classic heap corruption vulnerability that falls under the CWE-415 category of double free conditions. The vulnerability differs from CVE-2005-1643, which addresses a separate but related memory management issue, indicating that this represents an independent flaw within the same software component.
The operational impact of this vulnerability extends beyond simple service disruption, as it can be exploited by remote attackers without requiring authentication or privileged access. This makes it particularly dangerous in networked environments where Zoidcom is deployed, as malicious actors can systematically crash applications by sending carefully crafted packets. The vulnerability affects any system running Zoidcom 0.6.7 or earlier versions, potentially compromising availability of network services and applications that depend on this library for communication functionality. The attack vector is straightforward and reliable, making it an attractive target for denial of service attacks that can be executed at scale.
From a cybersecurity perspective, this vulnerability aligns with ATT&CK technique T1499.004, which covers network denial of service attacks, and demonstrates how seemingly minor protocol implementation flaws can result in significant operational impacts. The vulnerability also reflects poor input validation practices and inadequate memory management within the application, highlighting the importance of robust software development practices. Organizations should prioritize immediate remediation through version updates to Zoidcom 0.6.8 or later, which presumably contains fixes for this memory management issue. Additionally, network segmentation and intrusion detection systems can help mitigate the risk by monitoring for suspicious packet patterns and providing early warning of potential exploitation attempts. The vulnerability underscores the critical need for thorough security testing of network protocols and memory management components, particularly in legacy software systems that may not receive regular security updates.