CVE-2022-29078 is a critical vulnerability affecting the ejs package version 3.1.6 for Node.js. This vulnerability allows server-side template injection in settings[view options][outputFunctionName], which can lead to arbitrary OS command execution upon template compilation. The CVSS score of 9.8 indicates a severe risk to organizations utilizing this package.
The vulnerability's critical nature arises from its potential impact on confidentiality, integrity, and availability. Attackers may leverage this vulnerability to execute arbitrary commands, compromising the entire system. Organizations are urged to prioritize patching this vulnerability immediately to prevent unauthorized access.
As of the last modification date, there is evidence of known exploits for this vulnerability. The presence of exploits implies that the risk is not theoretical but practical, reinforcing the urgency for organizations to address this vulnerability in their systems.
Given the high exploitation potential and the severe implications, organizations should take immediate action to remediate this vulnerability by updating to a secure version of the ejs package.
Vulnerability Details
The ejs package 3.1.6 for Node.js allows server-side template injection, which is categorized under CWE-94. When parsing the internal options, it overwrites the outputFunctionName option with an arbitrary OS command, leading to execution during template compilation.
The CVSS 3.1 score of 9.8 highlights the critical severity level, indicating that a low complexity attack can be executed without any privileges or user interaction. The vulnerability affects confidentiality, integrity, and availability at high levels.
Organizations utilizing the ejs package should review their usage of version 3.1.6, as this is the specific version affected by the vulnerability.
Published on April 25, 2022, the vulnerability has been classified as modified, indicating recent developments in its understanding or exploitation.
Technical Analysis
The root cause of CVE-2022-29078 lies in improper handling of internal options during template parsing in the ejs package. The attack vector is network-based, allowing attackers to exploit the vulnerability remotely without physical access to the system.
The attack complexity is classified as low, meaning that the vulnerability can be exploited easily. No privileges are required for this attack, and user interaction is not necessary, allowing an attacker to perform exploitation seamlessly.
The impacts on confidentiality, integrity, and availability are all rated as high, indicating that successful exploitation could lead to significant consequences for affected organizations.
Risk & Impact Analysis
Organizations utilizing the ejs package must recognize the potential risks associated with CVE-2022-29078. The vulnerability poses a significant threat, especially to applications handling sensitive data or critical functions. The high blast radius implies that an attacker gaining access could compromise numerous systems.
Given the critical CVSS score and the active exploitation landscape, organizations are advised to prioritize remediation efforts. The likelihood of exploitation, combined with the critical nature of the vulnerability, necessitates immediate action.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of the ejs package is 3.1.6. Organizations are advised to upgrade to the latest patched version to mitigate this vulnerability.
Mitigation & Remediation
To remediate this vulnerability, organizations should update to the latest version of the ejs package. If a patch is not immediately available, consider implementing security controls to restrict access to the affected components and monitor for any suspicious activity.
Organizations can validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual commands or behaviors that deviate from normal usage patterns. Additionally, implementing network signatures to identify unauthorized access attempts can be beneficial.
AppSecure Threat Intelligence Insight
CVE-2022-29078 represents a significant threat within the context of server-side template engines. As organizations increasingly rely on such technologies, understanding and mitigating this vulnerability is crucial. Security teams should prioritize continuous monitoring and consider adopting a comprehensive penetration testing methodology to identify and address vulnerabilities proactively.
The presence of several public proof-of-concept repositories further emphasizes the need for heightened awareness. Organizations must remain vigilant to the evolving threat landscape and adapt their security posture accordingly.
For further insights into security testing practices, organizations can explore resources on vulnerability management program design and effective security measures.
Understanding the implications of vulnerabilities like CVE-2022-29078 is essential for maintaining secure systems and protecting sensitive information.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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