CVE-2021-23337 is a high-severity vulnerability affecting Lodash, specifically in versions prior to 4.17.21. This vulnerability allows for command injection through the template function, which poses significant risks to organizations using vulnerable versions of this widely utilized JavaScript library. The CVSS score for this vulnerability is 7.2, indicating a high level of concern for security practitioners.
The real-world implications of this vulnerability are considerable, as command injection can lead to unauthorized execution of commands on the affected systems. Organizations utilizing Lodash in their applications should recognize the urgency of addressing this vulnerability to prevent potential exploitation.
As of now, there are known exploits associated with this vulnerability, which emphasizes the critical need for immediate action. Organizations should prioritize patching to ensure their systems are safeguarded against exploitation.
Urgency is high due to the potential for exploitation in the wild, and organizations are advised to implement relevant patches as soon as possible.
Vulnerability Details
The vulnerability description states that Lodash versions prior to 4.17.21 are vulnerable to command injection via the template function. This poses a risk that can be exploited remotely over a network (AV:N). The attack complexity is classified as low (AC:L), with high privileges required (PR:H), and no user interaction needed (UI:N). The vulnerability impacts confidentiality, integrity, and availability, all rated as high.
The vulnerability was published on February 15, 2021, and is classified under CWE-94 (Code Injection). The affected products primarily include various Oracle applications that utilize Lodash.
Technical Analysis
The root cause of this vulnerability is due to improper handling of input in the Lodash template function. This flaw allows attackers to inject malicious commands, which can then be executed by the application, leading to severe consequences including data breaches and system compromise.
The attack vector is network-based, meaning that an attacker can exploit this vulnerability remotely. The complexity of the attack is low, making it accessible to a wide range of potential attackers. It requires high privileges, indicating that the attacker would need to have significant access to exploit the vulnerability effectively.
No user interaction is required for exploitation, which further increases the risk profile. If exploited, the impacts are severe, affecting confidentiality, integrity, and availability, all rated as high.
Risk & Impact Analysis
The risk to organizations includes potential unauthorized command execution, leading to data breaches or service disruptions. Given the high CVSS score and the existence of known exploits, organizations must be aware of the blast radius this vulnerability presents.
The urgency of remediation is high, with organizations advised to prioritize patching in their next update cycle. The presence of this vulnerability in widely used libraries such as Lodash indicates a potentially large attack surface, making it imperative for organizations to act swiftly.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Lodash prior to 4.17.21 are affected. Additionally, various Oracle products utilizing Lodash, as detailed in the configurations section, are also vulnerable.
Mitigation & Remediation
Organizations should patch Lodash to version 4.17.21 or later to mitigate this vulnerability. If a patch is not available for your Oracle products, consider implementing workarounds or additional security measures to limit exposure.
For further security assessment and validation, organizations may consider engaging in application security assessment services.
Detection Guidance
Monitoring for unusual command execution patterns and reviewing logs for unexpected changes can help in detecting exploitation attempts. Additionally, security teams should be vigilant for any anomalies in application behavior that may indicate exploitation.
AppSecure Threat Intelligence Insight
CVE-2021-23337 highlights the importance of maintaining up-to-date libraries and the potential security risks associated with command injection vulnerabilities. It reflects a broader trend of vulnerabilities in widely used libraries, emphasizing the need for continuous monitoring and vulnerability management.
Security teams should consider reviewing their vulnerability management program and ensuring they have strategies in place to address similar vulnerabilities in the future.
Additionally, teams should engage in penetration testing to identify potential weaknesses in their applications.
Organizations should also stay informed about the latest security advisories and updates from vendors to ensure they are aware of any new vulnerabilities as they arise.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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