CVE-2023-26136 Explained : Impact and Mitigation
Discover the impact and mitigation of CVE-2023-26136, a vulnerability in tough-cookie before version 4.1.3, leading to potential Prototype Pollution risks and compromising system security.
This CVE-2023-26136 was published on July 1, 2023, by Snyk. It is related to a vulnerability found in the package tough-cookie before version 4.1.3, categorized under Prototype Pollution.
Understanding CVE-2023-26136
This vulnerability in tough-cookie stems from improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode, leading to potential security risks.
What is CVE-2023-26136?
CVE-2023-26136 is a medium-severity vulnerability, where versions of tough-cookie before 4.1.3 are susceptible to Prototype Pollution due to flawed initialization of objects.
The Impact of CVE-2023-26136
The impact of this vulnerability can allow an attacker to exploit the system, potentially compromising confidentiality and integrity with a base score of 6.5.
Technical Details of CVE-2023-26136
This section provides detailed insights into the vulnerability, the affected systems, and how it can be exploited.
Vulnerability Description
The vulnerability arises from the improper initialization of objects in tough-cookie, making it prone to Prototype Pollution attacks.
Affected Systems and Versions
The affected system is the package tough-cookie with versions less than 4.1.3, operating under the semver versioning scheme.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating Cookies when using CookieJar in rejectPublicSuffixes=false mode, compromising the system's security.
Mitigation and Prevention
Protecting systems from CVE-2023-26136 involves taking immediate steps, implementing long-term security practices, and ensuring timely patching and updates.
Immediate Steps to Take
Immediately update the affected package tough-cookie to version 4.1.3 or higher to mitigate the risks associated with Prototype Pollution.
Long-Term Security Practices
Incorporate secure coding practices, conduct regular security audits, and stay informed about potential vulnerabilities to enhance overall system security.
Patching and Updates
Stay vigilant for security advisories and updates related to tough-cookie to address any future vulnerabilities promptly and ensure system resilience.