Adobe Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier), and 2017.011.30197 (and earlier) are affected by a path traversal vulnerability. This vulnerability allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, as a victim must open a malicious file that leverages this vulnerability.
The CVSS score for this vulnerability is 7.8, categorized as high severity. This rating is crucial as it indicates the potential impact on confidentiality, integrity, and availability, all rated as high. Organizations should prioritize patching this vulnerability immediately to protect against possible exploitation.
Given the nature of this vulnerability and the requirement for user interaction, the risk to organizations includes potential unauthorized access and execution of malicious code. As users continue to interact with various files and documents daily, the need for vigilance and timely remediation cannot be overstated.
Organizations should address this vulnerability in their priority patch cycle to minimize the risk of exploitation and uphold the integrity of their systems.
Vulnerability Details
The vulnerability is classified under CWE-22, which pertains to path traversal issues. The attack vector is local, with low complexity and no privileges required. However, it necessitates user interaction, making it crucial that users are educated on the risks of opening untrusted files.
The vulnerability was published on September 6, 2023, with a modified status indicating ongoing concerns. Organizations utilizing any affected versions of Adobe Acrobat should ensure they are updated to the latest versions or follow the recommended remediation procedures outlined by Adobe.
Technical Analysis
The root cause of this vulnerability lies in improper validation of user input, allowing attackers to exploit the application through crafted files. Attackers may leverage this vulnerability to read arbitrary files on the system or execute malicious code, potentially leading to full system compromise.
The attack complexity is categorized as low, meaning that an attacker does not need advanced skills to exploit the vulnerability. The required privileges are none, which further increases the risk, as any user can be targeted. User interaction is necessary, as the victim must open the malicious file to trigger the vulnerability.
The confidentiality, integrity, and availability impacts are all rated high, indicating that successful exploitation could lead to significant data loss or unauthorized access to sensitive information.
Risk & Impact Analysis
The real-world risk associated with this vulnerability is significant. Organizations that rely on Adobe Acrobat Reader for document management should be particularly vigilant, as exploiting this vulnerability could lead to unauthorized access to sensitive documents.
The potential blast radius is extensive, given that Acrobat Reader is widely used across various sectors. This vulnerability's exploitation could result in a breach of sensitive information, leading to reputational damage and potential regulatory consequences.
Organizations should prioritize addressing this vulnerability based on its CVSS score and the urgency indicated by the current threat landscape. Proactive measures and timely remediation are essential to maintaining a secure environment.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of Adobe Acrobat Reader DC include 2021.005.20054 and earlier, 2020.004.30005 and earlier, and 2017.011.30197 and earlier. Organizations should ensure that they are using updated versions to mitigate this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching affected versions of Adobe Acrobat Reader. The recommended action is to upgrade to the latest version available from Adobe. For those unable to immediately patch, consider implementing network controls to limit access to potentially malicious files.
For additional guidance on security best practices, organizations can refer to resources on penetration testing methodology and consider conducting regular security assessments to identify vulnerabilities.
Detection Guidance
Organizations should monitor for unusual file access patterns and detect any attempts to open files that may trigger this vulnerability. Implementing logging and alerting mechanisms for Acrobat Reader usage can help identify potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability is noteworthy, as it represents a common attack vector through user interaction. It underscores the importance of user education regarding file handling and the risks associated with opening unknown documents.
Security teams should focus on enhancing their awareness surrounding user interaction vulnerabilities and ensure that protective measures are in place. Regular training and security awareness programs can help mitigate risks associated with such vulnerabilities.
For comprehensive security strategies, organizations can explore resources on vulnerability management programs, and consider implementing continuous security testing to proactively identify and mitigate potential vulnerabilities.
Finally, security teams should remain vigilant and adapt their security postures in response to emerging threats and vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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