A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service (DoS) via a crafted XFA packet. This vulnerability is classified as high severity with a CVSS score of 7.5, indicating a significant risk to organizations utilizing this software. The ability for attackers to exploit this vulnerability could lead to service disruptions, impacting the availability of critical PDF processing capabilities.
The vulnerability affects the Nitro PDF Pro software, which is widely used for PDF creation and editing. Given the nature of the attack vector being network-based and requiring no user interaction, organizations must be vigilant. Attackers may leverage this vulnerability to disable services, thereby hindering business operations.
Risk to organizations includes potential downtime and loss of productivity. As the exploitation status indicates that no public exploit has been confirmed, organizations should not take this vulnerability lightly. Patching should be prioritized immediately to mitigate risks associated with this vulnerability.
Organizations should address this vulnerability in their priority patch cycle to ensure the security and availability of their services.
Vulnerability Details
The official CVE description states: 'A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service (DoS) via a crafted XFA packet.' This vulnerability is categorized under CWE-476, which pertains to NULL Pointer Dereference vulnerabilities.
The CVSS version 3.1 score of 7.5 indicates that the vulnerability has a low attack complexity and does not require privileges or user interaction, making it easier for attackers to exploit. The availability impact is rated high, which is critical for organizations relying on the affected software.
Technical Analysis
The root cause of this vulnerability stems from improper handling of NULL pointers in the Nitro PDF Pro application. The attack vector is network-based, allowing remote attackers to send specially crafted packets that trigger the DoS condition. The attack complexity is rated as low, indicating that minimal skills are needed to execute the attack. No privileges are required, and there is no user interaction necessary for the exploitation, making it a significant threat.
Regarding impacts, confidentiality and integrity are not affected, but the availability impact is rated high. This means that while data remains secure and intact, the service becomes unavailable, which can lead to operational disruptions.
Risk & Impact Analysis
The risk posed by this vulnerability is substantial, especially in environments where Nitro PDF Pro is deployed for critical document processing. The potential for service disruption can affect business continuity, leading to financial losses and reputational damage. The urgency of addressing this vulnerability is underscored by its high CVSS score, indicating that immediate action is necessary.
Organizations should assess their deployment of Nitro PDF Pro and prioritize remediation efforts accordingly. The lack of known exploits at this time does not diminish the importance of patching this vulnerability promptly to prevent any potential threats.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected product is Nitro PDF Pro, specifically version 14.41.1.4. If version information is not available, it is recommended to state: 'All versions prior to vendor patch.'
Mitigation & Remediation
Organizations should prioritize patching immediately. Details on the patch or version to upgrade to can be found on the vendor's website at Gonitro. In case the patch is unavailable, organizations may consider implementing workarounds such as restricting access to Nitro PDF Pro or monitoring network traffic for unusual patterns that could indicate exploitation attempts.
Detection Guidance
To detect potential exploitation attempts, organizations should monitor logs for indicators of service interruptions related to Nitro PDF Pro. Behavioral anomalies such as unexpected crashes or performance degradation should also be investigated. Additionally, implementing network signatures to detect crafted XFA packets can help in identifying potential threats.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability highlights the need for organizations to maintain robust security practices, including regular updates and vulnerability assessments. This incident represents a trend where software vulnerabilities can lead to significant operational risks and underscores the importance of proactive security measures. Security teams should integrate continuous monitoring and review of their application security posture to mitigate similar vulnerabilities in the future.
For comprehensive guidance on vulnerability management, organizations can refer to the vulnerability management program design.
Additionally, understanding the implications of the vulnerability can guide organizations in implementing effective penetration testing strategies to uncover potential weaknesses.
Ultimately, maintaining awareness of the evolving threat landscape is crucial for organizations to safeguard their assets against vulnerabilities like CVE-2025-66769.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)