CVE-2016-1203 in SaAT Netizen Installer
Summary
by MITRE • 10/31/2023
Improper file verification vulnerability in SaAT Netizen installer ver.1.2.0.424 and earlier, and SaAT Netizen ver.1.2.0.8 (Build427) and earlier allows a remote unauthenticated attacker to conduct a man-in-the-middle attack. A successful exploitation may result in a malicious file being downloaded and executed.
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Analysis
by VulDB Data Team • 11/24/2023
The vulnerability identified as CVE-2016-1203 represents a critical security flaw in the SaAT Netizen software ecosystem, specifically affecting installer versions up to 1.2.0.424 and the main application versions up to 1.2.0.8 build 427. This improper file verification mechanism creates a significant attack surface that enables remote unauthenticated adversaries to exploit the system through man-in-the-middle techniques. The vulnerability stems from inadequate cryptographic validation and verification processes during the software installation and update procedures, fundamentally compromising the integrity of the software distribution channel.
The technical implementation of this flaw manifests through insufficient digital signature verification and certificate validation mechanisms within the SaAT Netizen installer component. Attackers can intercept network traffic between the client system and the software update servers, replacing legitimate software packages with malicious payloads without requiring authentication credentials or system privileges. This weakness directly aligns with CWE-310, which addresses cryptographic issues including improper certificate validation and signature verification failures. The vulnerability operates at the network communication layer where the installer should validate the authenticity and integrity of downloaded files through robust cryptographic means, but instead relies on inadequate verification checks that can be easily bypassed.
The operational impact of this vulnerability extends beyond simple privilege escalation or unauthorized access, as it enables complete compromise of the affected systems through malicious code execution. Successful exploitation allows attackers to deliver arbitrary malware, backdoors, or rootkits directly to target systems without requiring any prior access or credentials. This makes the vulnerability particularly dangerous in enterprise environments where multiple systems may be simultaneously vulnerable and where the installed software typically runs with elevated privileges. The attack vector demonstrates characteristics consistent with ATT&CK technique T1195.001, specifically the use of unencrypted network protocols for initial compromise, and T1059.001 for command and control operations.
Mitigation strategies for CVE-2016-1203 require immediate patching of all affected versions to implement proper cryptographic verification mechanisms. Organizations should deploy network monitoring tools to detect and block suspicious traffic patterns associated with man-in-the-middle attacks, while implementing certificate pinning techniques to prevent certificate substitution attacks. The remediation process must include updating the installer's cryptographic validation routines to properly verify digital signatures using industry-standard algorithms such as RSA with appropriate key lengths. Additionally, network segmentation and secure update channels should be implemented to reduce the attack surface, ensuring that all software distribution occurs through encrypted channels with proper certificate validation. Security teams should also conduct thorough vulnerability assessments of similar software components and implement automated patch management processes to prevent future occurrences of this class of vulnerability.