CVE-2002-2337 in Anti-Hacker
Summary
by MITRE
Kaspersky Anti-Hacker 1.0, when configured to automatically block attacks, allows remote attackers to block IP addresses and cause a denial of service via spoofed packets.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 06/12/2018
The vulnerability described in CVE-2002-2337 represents a significant security flaw in Kaspersky Anti-Hacker 1.0, a network security tool designed to protect against various cyber threats. This vulnerability specifically manifests when the software is configured to automatically block detected attacks, creating an unintended attack surface that adversaries can exploit to compromise system availability. The flaw stems from the software's improper handling of network packet validation, allowing malicious actors to manipulate the system's defensive mechanisms for destructive purposes.
The technical implementation of this vulnerability operates through packet spoofing techniques where attackers craft malicious network packets with forged source IP addresses. When Kaspersky Anti-Hacker 1.0 processes these spoofed packets, it incorrectly interprets them as legitimate attack vectors originating from the spoofed addresses. The software's automatic blocking mechanism then activates, causing it to add these forged IP addresses to its block list, effectively creating a denial of service condition. This behavior demonstrates a fundamental flaw in the software's trust model and packet validation logic, as it fails to properly authenticate or verify the legitimacy of incoming network traffic before executing defensive actions.
The operational impact of this vulnerability extends beyond simple service disruption, creating a sophisticated attack vector that can be leveraged for coordinated denial of service campaigns. Attackers can systematically target multiple IP addresses, causing widespread network disruption across affected systems. The vulnerability's exploitation does not require privileged access or complex attack chains, making it particularly dangerous as it can be executed by adversaries with minimal technical expertise. This characteristic aligns with attack patterns documented in the attack tactics and techniques framework, specifically relating to denial of service and network disruption methodologies that fall under the broader category of availability attacks.
From a cybersecurity standards perspective, this vulnerability maps directly to CWE-284, which describes improper access control issues in software systems. The flaw represents a clear failure in access control implementation where the system grants unauthorized entities the ability to modify critical system parameters through legitimate-looking network traffic. The vulnerability also demonstrates characteristics consistent with attack patterns found in the MITRE ATT&CK framework, particularly in the defense evasion and impact categories where adversaries manipulate system defenses to achieve their objectives. Organizations deploying Kaspersky Anti-Hacker 1.0 should consider implementing network segmentation and monitoring to detect anomalous blocking patterns that could indicate exploitation attempts.
The mitigation strategies for this vulnerability should include immediate software updates from Kaspersky to address the packet validation flaw, along with network-level controls that implement proper packet filtering and source address validation. System administrators should also consider disabling automatic blocking features until proper security patches are deployed, implementing additional monitoring for unusual blocking activity, and establishing network access controls that prevent unauthorized modification of security policies. Organizations should conduct comprehensive vulnerability assessments to identify systems running the affected software version and implement layered defensive measures that reduce the attack surface while maintaining operational security effectiveness.