CVE-2024-29059 is a high-severity information disclosure vulnerability affecting the Microsoft .NET Framework. With a CVSS score of 7.5, this vulnerability poses a significant risk to organizations relying on this framework for their applications. The potential for attackers to exploit this vulnerability to gain unauthorized access to sensitive information makes it critical for defenders to take action.
The vulnerability allows attackers to leverage a flaw within the .NET Framework that can expose sensitive data, specifically the ObjRef URI, which may lead to further exploitation. Given its high severity, organizations must prioritize patching this vulnerability immediately to mitigate the associated risks.
This vulnerability was published on March 23, 2024, and is tracked under the CWE-209 classification, indicating that it involves improper exposure of sensitive information. As it is listed in the Known Exploited Vulnerabilities (KEV) catalog, it is actively being targeted by attackers, further emphasizing the urgency for organizations to implement remediation measures.
Organizations should address this vulnerability in their priority patch cycle to prevent potential data breaches and maintain the integrity of their systems.
Vulnerability Details
.NET Framework Information Disclosure Vulnerability allows unauthorized access to sensitive information. The CVSS score of 7.5 indicates a high severity level, as attackers can exploit this vulnerability over a network with low complexity and without any required privileges or user interaction.
The affected products include various versions of the .NET Framework, specifically: 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.6, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, and 4.8.1. Organizations using these versions should be aware of the potential risks associated with this vulnerability.
The vulnerability was publicly disclosed on March 23, 2024, and can be classified under CWE-209 due to its nature of disclosing sensitive information. Organizations should review their systems and assess the impact of this vulnerability on their operations.
Technical Analysis
The root cause of CVE-2024-29059 lies in the handling of ObjRef URIs within the .NET Framework. The attack vector is network-based, and the complexity of the attack is low, requiring no special privileges or user interaction to exploit. This vulnerability has a high impact on confidentiality, as sensitive data can be revealed to unauthorized parties.
There are no integrity or availability impacts associated with this vulnerability. Organizations should be vigilant in monitoring for any unusual access patterns that may indicate exploitation attempts.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to sensitive information, which could lead to data breaches and regulatory consequences. The potential blast radius is significant, especially for organizations handling sensitive user data or critical business information. Given the high CVSS score and its addition to the KEV catalog, organizations should prioritize remediation of this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
Affected versions of the .NET Framework include 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.6, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, and 4.8.1. Organizations should ensure they are using patched versions to avoid this vulnerability.
Mitigation & Remediation
Organizations should apply the latest patches from Microsoft to remediate this vulnerability. In the event that immediate patching is not feasible, organizations should consider implementing configuration hardening and network controls to limit exposure. Regular monitoring for any suspicious activity is also recommended.
For more comprehensive security coverage, organizations are encouraged to engage in penetration testing to validate their security posture against potential exploits.
Detection Guidance
Organizations should monitor logs for indicators of exploitation attempts, such as unauthorized access requests or unusual network traffic patterns. Behavioral anomalies that deviate from normal operational baselines should also be investigated promptly.
AppSecure Threat Intelligence Insight
CVE-2024-29059 highlights the ongoing challenges organizations face in securing their applications against information disclosure vulnerabilities. The high EPS score indicates a significant probability of exploitation, reinforcing the need for continuous security assessments.
As part of a proactive security strategy, organizations should consider adopting a comprehensive vulnerability management program to identify and remediate vulnerabilities before they can be exploited.
Furthermore, engaging in regular penetration testing methodology assessments can help organizations stay ahead of emerging threats and refine their security posture.
Lastly, organizations should remain vigilant and update their security practices based on the latest threat intelligence to mitigate risks effectively.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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