Versions of the package tough-cookie before 4.1.3 are vulnerable to Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. This issue arises from the manner in which the objects are initialized. The vulnerability has been assigned a CVSS score of 6.5, indicating a medium severity level.
Risk to organizations includes potential unauthorized modification of object properties, which could lead to severe impacts depending on how the affected package is utilized in applications. It is crucial for organizations to assess their exposure to this vulnerability.
As of now, there is a known exploit for this vulnerability, and it is important for defenders to prioritize patching within their security management processes.
Organizations should address this vulnerability in their priority patch cycle to mitigate the risks associated with it.
Vulnerability Details
The vulnerability primarily affects the Salesforce tough-cookie package versions below 4.1.3. The vulnerability type is categorized as Prototype Pollution, which can result in unwanted behavior in applications using this package. The official CVSS score from the NVD is 9.8, classified as critical due to the high potential impact on confidentiality, integrity, and availability.
The vulnerability was published on July 1, 2023, and is associated with the CWE-1321 classification.
Technical Analysis
The root cause of this vulnerability lies in the improper initialization of objects within the tough-cookie package. Attackers can exploit this flaw by sending specially crafted requests that manipulate cookie handling, potentially altering object properties.
The attack vector is classified as network-based, with a low attack complexity, meaning that no special privileges or user interaction is required to exploit this vulnerability. The confidentiality, integrity, and availability impacts are assessed as low, but the potential for exploitation remains a concern.
Risk & Impact Analysis
The real-world risk associated with this vulnerability includes potential unauthorized access to sensitive information or modification of application behavior, which could undermine trust and reliability. Given its medium severity rating, organizations should assess the blast radius potential based on their deployment of the tough-cookie package.
Organizations should evaluate their security posture concerning this vulnerability and prioritize remediation based on their risk appetite and exposure. Given the CVSS score of 9.8 from NVD, this vulnerability should be addressed promptly.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable versions of the tough-cookie package are all versions prior to 4.1.3. Organizations utilizing this package should ensure they upgrade to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
Organizations are advised to patch their installations of the tough-cookie package to version 4.1.3 or later. In addition to updating, they should review their cookie handling practices in applications to prevent similar vulnerabilities.
For further assistance on secure coding practices, organizations may refer to our guide on application security.
Detection Guidance
Organizations should monitor their applications for behavioral anomalies related to cookie handling and keep an eye on logs for unexpected modifications. Additionally, network signatures should be updated to detect potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability highlights the importance of secure coding practices, particularly in the context of cookie handling and object initialization. Security teams should review their coding standards and implement robust validation measures to prevent similar vulnerabilities in the future.
This vulnerability serves as a reminder of the evolving threat landscape and the necessity for organizations to maintain vigilance through regular security assessments. For more insights on managing vulnerabilities, refer to our blog on vulnerability management programs and the importance of proactive security measures.
Furthermore, organizations should consider engaging in penetration testing to validate their defenses against such vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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