CVE-2005-1301 in Netizen
Summary
by MITRE
nProtect:Netizen 2005.3.17.1 does not properly verify that the update module is downloaded from an authorized site, which allows remote malicious web sites to write arbitrary files.
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Analysis
by VulDB Data Team • 07/06/2018
The vulnerability identified as CVE-2005-1301 affects nProtect Netizen 2005.3.17.1, a security software solution designed to protect against malware and other cyber threats. This flaw represents a critical weakness in the software's update mechanism that undermines its core security functionality. The vulnerability stems from insufficient validation procedures within the update module, creating an attack vector that malicious actors can exploit to compromise the system. The issue specifically manifests when the software attempts to download and install updates from remote sources, failing to establish proper authentication and authorization checks.
This technical weakness allows attackers to manipulate the update process by hosting malicious content on unauthorized web servers. The flaw enables remote code execution through arbitrary file writing capabilities, as the software does not verify the legitimacy of update sources before proceeding with installation. The vulnerability operates at the application layer and can be exploited through web-based attacks, making it particularly dangerous in environments where users frequently interact with external websites. The lack of proper certificate validation or source authentication creates a pathway for attackers to inject malicious code directly into the system through the legitimate update mechanism.
The operational impact of this vulnerability extends beyond simple unauthorized file writing, as it fundamentally compromises the integrity of the security software itself. When exploited, the vulnerability can lead to complete system compromise, as the malicious code installed through the update process bypasses traditional security controls. This creates a dangerous scenario where the security tool designed to protect the system becomes the vector for its own exploitation, potentially enabling persistent threats and advanced persistent threat campaigns. The vulnerability also affects the software's ability to provide meaningful protection against malware, as attackers can use it to install rootkits, backdoors, or other malicious components.
From a cybersecurity perspective, this vulnerability aligns with CWE-22, which addresses improper limitation of a pathname to a restricted directory, and CWE-502, concerning deserialization of untrusted data. The attack pattern follows techniques described in the MITRE ATT&CK framework under T1059 for command and scripting interpreter and T1070 for indicator removal on host. The vulnerability demonstrates the critical importance of secure update mechanisms and proper source verification in security software. Organizations should implement network segmentation to limit exposure, deploy intrusion detection systems to monitor for suspicious update activity, and maintain regular security assessments. Additionally, the vulnerability highlights the necessity of keeping security software updated through verified channels and implementing strict access controls to prevent unauthorized modifications to update repositories. The flaw underscores the principle that security tools must be protected from exploitation themselves, as they represent the last line of defense against cyber threats.