HashiCorp’s go-slug library is vulnerable to a zip-slip style attack when a non-existing user-provided path is extracted from the tar entry. This vulnerability, identified as CVE-2025-0377, has been assessed with a CVSS score of 7.5, indicating its high severity. The implications of this vulnerability are significant, as attackers may leverage this weakness to compromise confidentiality and potentially expose sensitive data.
The vulnerability was publicly disclosed on January 21, 2025, and has since been analyzed. Organizations using the affected versions of the go-slug library should address this issue promptly to prevent potential exploitation. The risk to organizations includes unauthorized access to confidential information, making timely remediation essential.
The go-slug library is widely utilized within various applications, and the potential for exploitation remains high due to its network attack vector and low attack complexity. As such, organizations should prioritize patching immediately to minimize their exposure to this vulnerability.
Given the critical nature of this vulnerability, organizations are encouraged to review their security posture and implement necessary updates or mitigations to their systems. The lack of known exploits at this time does not diminish the need for vigilance.
Vulnerability Details
CVE-2025-0377 is classified as a zip-slip vulnerability, which allows attackers to manipulate file paths during extraction processes, potentially leading to unauthorized file access. The CVSS score of 7.5 indicates a high severity level, reflecting its potential impact on confidentiality, integrity, and availability.
The affected product is HashiCorp's go-slug library, and the vulnerability affects all versions prior to 0.16.3. The CWE classification associated with this vulnerability is CWE-59, which pertains to path traversal vulnerabilities.
HashiCorp has provided additional details regarding the vulnerability in their advisory published on their discussion forum.
Technical Analysis
The root cause of CVE-2025-0377 lies in improper handling of user-provided paths during the extraction of tar entries. The attack vector is network-based, allowing attackers to exploit this vulnerability remotely without the need for physical access.
The attack complexity is low, and no privileges are required for exploitation. Additionally, user interaction is not needed, making this vulnerability particularly concerning. The confidentiality impact is rated as high, while integrity and availability impacts are negligible.
Risk & Impact Analysis
The risk to organizations includes the potential compromise of sensitive data and unauthorized access to systems. As the go-slug library is commonly used in various applications, the blast radius is significant, affecting numerous deployments.
Organizations should assess their exposure and prioritize remediation efforts based on the severity of this vulnerability. Given its high CVSS score, organizations should address this vulnerability in their prioritization of patch cycles.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of the go-slug library prior to version 0.16.3. Organizations utilizing earlier versions should evaluate their systems for the potential impact of this vulnerability.
Mitigation & Remediation
To mitigate this vulnerability, organizations should upgrade to the latest version of the go-slug library. If an immediate upgrade is not feasible, consider implementing workarounds such as restricting user inputs and validating paths before extraction.
Organizations should also implement configuration hardening and network controls to monitor and limit access to vulnerable systems. Continuous monitoring for anomalous behavior should be established to detect potential exploitation attempts.
Penetration testing should also be considered to validate the effectiveness of remediation efforts.
Detection Guidance
Organizations should monitor logs for unusual file access patterns and validate the integrity of extracted files. Behavioral anomalies that deviate from normal operations should be closely analyzed to detect potential exploitation.
Network signatures that identify unauthorized file extraction attempts should be established to enhance detection capabilities.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-0377 lies in its representation of the ongoing challenges associated with file extraction vulnerabilities. Security teams should take this as a lesson in the importance of validating user inputs and ensuring robust file handling mechanisms.
Organizations should also consider enhancing their application security posture by reviewing their dependency management processes, ensuring that third-party libraries are regularly updated.
For further insights on improving application security, organizations can refer to resources such as the vulnerability management program and the penetration testing methodology for best practices.
Furthermore, organizations should engage in proactive security measures such as conducting regular security assessments and participating in threat intelligence sharing to stay ahead of potential vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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