CVE-2024-48510 is a critical directory traversal vulnerability affecting the DotNetZip v.1.16.0 and earlier versions. This vulnerability allows a remote attacker to execute arbitrary code through the src/Zip.Shared/ZipEntry.Extract.cs component. The vulnerability only impacts products that are no longer supported by the maintainer, increasing the risk for organizations still using these affected products.
With a CVSS score of 9.8, this vulnerability poses a significant threat to systems using DotNetZip and ProDotNetZip. The combination of low attack complexity and no required privileges means that attackers can exploit this vulnerability easily over the network, potentially leading to severe consequences such as unauthorized access and data compromise.
Given its critical nature, organizations utilizing these libraries must take immediate action. The urgency is underscored by the fact that this vulnerability is exploitable and has been confirmed as having known exploits available. Organizations should prioritize patching immediately to mitigate risks associated with potential attacks.
Failure to address this vulnerability could lead to severe breaches and exploitation of sensitive information, making it imperative for security teams to act swiftly.
Vulnerability Details
The vulnerability described by CVE-2024-48510 is classified as a directory traversal issue. The official description states: 'Directory Traversal vulnerability in DotNetZip v.1.16.0 and before allows a remote attacker to execute arbitrary code via the src/Zip.Shared/ZipEntry.Extract.cs component.' This vulnerability has a CVSS score of 9.8, indicating a critical severity level.
The affected products include DotNetZip.Semverd and ProDotNetZip, which are used widely within .NET applications for zip file manipulation. The release date of this vulnerability was November 13, 2024, and it falls under CWE-22, which denotes improper limitation of a pathname to a restricted directory.
Technical Analysis
The root cause of this vulnerability lies in the directory traversal flaw that allows attackers to manipulate file paths. This issue enables them to extract files to unintended locations within the file system, potentially leading to the execution of arbitrary code. The attack vector for this vulnerability is network-based, requiring no user interaction, and it operates under low attack complexity.
Since no privileges are required to exploit this vulnerability, it can be executed easily by an unauthenticated attacker. The impact on confidentiality, integrity, and availability is high, as an attacker can manipulate files and execute malicious code on the affected systems.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2024-48510 is significant, particularly for organizations that rely on DotNetZip and ProDotNetZip for file compression and extraction functionalities. The blast radius of potential exploitation is extensive, as successful attacks could lead to full system compromise, unauthorized access to sensitive data, and disruption of services.
Organizations must recognize that the urgency to patch this vulnerability is critical due to its high CVSS score and confirmed exploit availability. In addition to patching, organizations should review their current use of the affected products and consider transitioning to supported alternatives to mitigate future risks.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects DotNetZip.Semverd versions 1.10.1 through 1.16.0 and ProDotNetZip versions prior to 1.19.0. Organizations using these versions should take immediate action to update to the latest versions to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
To remediate this vulnerability, organizations should apply the latest patches provided by the vendors for DotNetZip.Semverd and ProDotNetZip. If patches are unavailable, consider alternative libraries that are actively maintained and do not present this vulnerability. Additionally, organizations should implement proper input validation and file path sanitization to mitigate directory traversal risks.
For continuous assessment of security posture, organizations should incorporate continuous penetration testing in their security strategy.
Detection Guidance
Organizations should monitor logs for unusual file access patterns and unexpected execution of code from zip extraction processes. Behavioral anomalies in applications utilizing DotNetZip or ProDotNetZip should be logged and investigated, as they could indicate exploitation attempts. Network signatures associated with directory traversal attacks should also be implemented for detection.
AppSecure Threat Intelligence Insight
This vulnerability highlights the importance of software maintenance and the risks associated with using unsupported libraries. As technology evolves, the security landscape changes rapidly. Organizations must remain vigilant and proactive in updating their software dependencies and implementing strong security controls.
Security teams should also leverage insights from penetration testing methodology to evaluate their security posture and identify weaknesses before attackers can exploit them.
Additionally, staying informed about emerging vulnerabilities and threat trends is crucial for maintaining security resilience. Organizations should consider engaging in vulnerability management programs to ensure they are prepared to respond effectively to future risks.
In conclusion, organizations leveraging DotNetZip or ProDotNetZip must prioritize immediate patching and consider transitioning to supported alternatives to safeguard against potential exploitation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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