CVE-2013-5065 is a high-severity privilege escalation vulnerability that allows local users to gain elevated privileges on Microsoft Windows XP SP2, SP3, and Server 2003 SP2 through a crafted application. This vulnerability was actively exploited in the wild starting in November 2013, highlighting its potential impact on organizational security.
With a CVSS score of 7.8, rated as high severity, this vulnerability can significantly compromise the confidentiality, integrity, and availability of affected systems. Organizations utilizing these operating systems should recognize the urgency of addressing this vulnerability as it poses a substantial risk.
The exploitation status of CVE-2013-5065 indicates that there are known exploits available, and this vulnerability is included in the Known Exploited Vulnerabilities (KEV) catalog. Organizations should take immediate action to mitigate the risks associated with this vulnerability.
Given the potential risks, organizations should prioritize remediation efforts to prevent unauthorized access and ensure system integrity.
Vulnerability Details
The underlying issue in CVE-2013-5065 is located in the NDProxy.sys driver within the Windows kernel. This driver fails to properly validate user input, allowing local users to escalate their privileges. The vulnerability affects Microsoft Windows XP SP2, SP3, and Windows Server 2003 SP2.
The CVSS score for this vulnerability is 7.8, which indicates a high severity level, attributed to the low attack complexity and the requirement for user interaction. The vulnerability was published on November 28, 2013, and has been categorized under CWE-20, which relates to improper input validation.
Technical Analysis
This vulnerability allows local users to exploit the NDProxy.sys driver through crafted applications. The attack vector is local, meaning an attacker must have physical or remote access to the vulnerable system. The attack complexity is low, and no special privileges are required to execute the attack, but user interaction is necessary.
The impact of this vulnerability is severe, with high ratings for confidentiality, integrity, and availability. If successfully exploited, an attacker could potentially control the system, leading to unauthorized information access or system disruption.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to sensitive data, potential system compromise, and disruption of services. The blast radius of this vulnerability is significant, given the widespread use of the affected Windows versions.
Organizations should assess their exposure to this vulnerability, particularly in environments that still utilize Windows XP or Server 2003. Given the high CVSS score and the active exploitation status, immediate action is critical.
With an EPSS score of 0.736, indicating a high probability of exploitation, organizations must act swiftly to patch their systems and prevent potential attacks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected versions include Microsoft Windows XP SP2, SP3, and Windows Server 2003 SP2. Organizations using these versions should take immediate action to mitigate the risks posed by this vulnerability.
Mitigation & Remediation
Organizations should apply the necessary updates provided by Microsoft to mitigate this vulnerability. Upgrading to supported versions of Windows is strongly recommended to maintain security integrity. If immediate patching is not possible, consider implementing configuration hardening and network controls to limit access.
For comprehensive security assessments, organizations can engage in penetration testing to identify and remediate similar vulnerabilities.
Detection Guidance
Organizations should monitor logs for unusual access patterns and behavior that may indicate attempts to exploit this vulnerability. Key indicators include failed access attempts to NDProxy.sys and any unauthorized changes to system configurations.
AppSecure Threat Intelligence Insight
CVE-2013-5065 illustrates the importance of maintaining updated systems and the risks associated with using unsupported software. The observed exploitation of this vulnerability in the wild underscores the necessity for organizations to have proactive security measures in place.
Security teams should regularly review their security posture, considering insights from incidents like this to bolster defenses. Engaging in proactive measures such as penetration testing methodologies and continuous monitoring can enhance overall security.
Ultimately, CVE-2013-5065 serves as a poignant reminder of the evolving threat landscape and the importance of maintaining robust security practices.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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