CVE-2020-7883 in Printchaser
Summary
by MITRE • 12/28/2021
Printchaser v2.2021.804.1 and earlier versions contain a vulnerability, which could allow remote attacker to download and execute remote file by setting the argument, variable in the activeX module. This can be leveraged for code execution.
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Analysis
by VulDB Data Team • 12/31/2021
The vulnerability identified as CVE-2020-7883 affects Printchaser versions prior to v2.2021.804.1 and represents a critical security flaw that enables remote code execution through improper input validation within the ActiveX module. This vulnerability resides in the software's handling of user-supplied arguments and variables, creating a pathway for malicious actors to remotely compromise systems. The flaw specifically manifests when the application processes ActiveX components without adequate sanitization of input parameters, allowing attackers to inject and execute arbitrary code on affected systems. The vulnerability's impact extends beyond simple data theft, as it provides attackers with full control over the compromised system, potentially enabling persistent access and lateral movement within network environments.
The technical exploitation of this vulnerability follows a well-documented pattern that aligns with CWE-74 and CWE-79 attack vectors, where input validation failures lead to code injection scenarios. Attackers can manipulate the ActiveX module by crafting malicious arguments or variables that bypass normal execution paths, ultimately resulting in unauthorized file downloads and execution. This type of vulnerability falls under the ATT&CK technique T1190 - Exploit Public-Facing Application, as it targets exposed application interfaces that accept user input. The flaw demonstrates poor input sanitization practices where the application fails to properly validate or escape user-supplied data before processing it within the ActiveX environment, creating a direct code execution path that bypasses standard security controls.
The operational impact of CVE-2020-7883 is severe and multifaceted, as successful exploitation can result in complete system compromise, data exfiltration, and potential network infiltration. Organizations running affected Printchaser versions face significant risk of unauthorized access, particularly in environments where the software is deployed on public-facing systems or user-accessible interfaces. The vulnerability's remote exploitability means that attackers can target systems without requiring physical access or prior authentication, making it particularly dangerous in enterprise environments. Additionally, the ability to download and execute remote files provides attackers with the capability to deploy additional malware, establish backdoors, or conduct further reconnaissance activities against the compromised infrastructure.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems to the latest Printchaser version that addresses the ActiveX input validation issues. Organizations should implement network segmentation and access controls to limit exposure of affected systems to untrusted networks, while also monitoring for suspicious ActiveX activity or unauthorized file downloads. Security teams should deploy intrusion detection systems with signatures specific to this vulnerability and consider implementing application whitelisting policies that restrict the execution of untrusted ActiveX components. The remediation process should include comprehensive vulnerability scanning to identify all instances of the affected software, along with regular security assessments to ensure proper input validation mechanisms are in place. Organizations should also establish incident response procedures specifically designed to handle ActiveX-based exploitation attempts, ensuring rapid detection and containment of potential breaches.