CVE-2022-30632 is a high-severity vulnerability that allows an attacker to exploit uncontrolled recursion in the Glob function within the path/filepath package of Golang's Go programming language. This vulnerability affects versions prior to Go 1.17.12 and Go 1.18.4. Attackers may leverage this vulnerability to cause a panic due to stack exhaustion when provided with a path containing a large number of path separators.
The vulnerability has been assigned a CVSS score of 7.5, indicating a high level of severity. The risk to organizations includes potential service disruption due to unhandled application crashes, which could be exploited by attackers to influence service availability. Given the nature of the attack vector, which is network-based, organizations should prioritize patching immediately.
As of the latest updates, there are no known public exploits confirmed for this vulnerability. However, given its high severity and the potential for exploitation, organizations should take this vulnerability seriously and address it as part of their immediate security measures.
Remediation is critical, as the impact can be severe if left unaddressed. Organizations should ensure they are running the latest versions of Golang's Go product to mitigate the risk associated with this vulnerability.
Vulnerability Details
This vulnerability allows for uncontrolled recursion in the Glob function within the path/filepath package before Go versions 1.17.12 and 1.18.4. The official description states that it can lead to a panic due to stack exhaustion when an attacker supplies a path with excessive separators.
The CVSS score of 7.5 categorizes this vulnerability as high severity, marking it as a critical concern for organizations utilizing Golang. The confidential and integrity impacts are rated as none, but the availability impact is rated high due to the potential for application crashes.
Affected versions include all prior to Go 1.17.12 and 1.18.4. The vulnerability is classified under CWE-674, indicating improper control of a resource through its lifetime.
Technical Analysis
The root cause of CVE-2022-30632 stems from the handling of recursion in the Glob function. The attack vector is network-based, allowing remote attackers to trigger the vulnerability without requiring local access or privileges. The attack complexity is classified as low, as it does not require any user interaction.
While the vulnerability does not impact the confidentiality or integrity of the system, it poses a significant risk to availability. The potential for a denial of service through stack exhaustion is a critical concern for organizations relying on Golang.
Risk & Impact Analysis
Real-world deployment of this vulnerability can result in significant service disruptions. Given its high availability impact, the risk to organizations includes potential downtime, which can lead to data loss and decreased trust from users and clients.
Organizations should assess the impact of this vulnerability on their operations and prioritize it based on the CVSS score. With the attack vector being network-based and the exploitation complexity being low, the urgency to patch is further heightened.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of Golang's Go product prior to 1.17.12 and 1.18.4. Organizations should verify their current version and upgrade accordingly.
Mitigation & Remediation
Organizations should prioritize updating to the patched versions of Golang's Go product, specifically 1.17.12 or later and 1.18.4 or later. If immediate patching is not feasible, consider implementing input validation controls to limit the number of path separators in user inputs.
Configuration hardening should be reviewed to minimize exposure to attack vectors. Continuous monitoring and logging of application behavior can assist in early detection of potential exploitation attempts.
Penetration testing should also be conducted to assess the effectiveness of the applied mitigations.
Detection Guidance
Organizations should monitor log files for unusual patterns or behaviors that may indicate attempts to exploit this vulnerability, such as high-frequency requests with numerous path separators.
Behavioral anomalies in application performance, particularly crashes or slowdowns, should also be investigated. Implementing network signatures can aid in early detection of potential exploitation activity.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2022-30632 lies in its demonstration of how a small coding oversight can result in substantial vulnerabilities. This incident highlights the importance of rigorous code review and testing practices in software development.
Security teams should consider this vulnerability a wake-up call to enhance their threat modeling processes and review their existing code for similar patterns of uncontrolled recursion.
By implementing best practices in secure coding and regularly updating software components, organizations can significantly reduce the attack surface and mitigate the risks associated with vulnerabilities like CVE-2022-30632.
Vulnerability management programs can help organizations effectively track and address vulnerabilities as part of a comprehensive security strategy.
To further enhance security, organizations should invest in penetration testing methodologies that focus on identifying potential vulnerabilities before they can be exploited.
Lastly, organizations should stay informed about emerging vulnerabilities by regularly consulting trusted sources and advisories.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)