Horizon Alert
Summary of the vulnerability and why it matters
A vulnerability exists within Adobe Acrobat Reader DC that could allow an unauthenticated attacker to execute arbitrary code. This occurs when a user opens a specially crafted malicious file. The flaw resides in the handling of data within the application's memory.
- Vulnerable: Adobe Acrobat Reader DC
- Weakness: Heap-based buffer overflow
- Impact: Arbitrary code execution
Attack Path
How an attacker could exploit the issue
A heap-based buffer overflow vulnerability in Adobe Acrobat and Reader could allow an unauthenticated attacker to execute arbitrary code. Exploitation requires the user to open a malicious file. Successful exploitation could lead to the attacker gaining control of the user's current session.
- Network exposure, no privileges needed.
- Malicious file opened by user.
- Arbitrary code execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability involves a flaw in Adobe Acrobat Reader that could allow an attacker to execute malicious code. Exploitation requires an individual to open a specially crafted file, which could lead to the compromise of the user's current context. The potential for code execution and data manipulation presents a significant risk to affected organizations.
- Attacker skill level: Low
- Required access or conditions: User opens a malicious file
- Business risk or urgency: High
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability in Adobe Acrobat and Reader could allow an unauthenticated attacker to execute arbitrary code by tricking a user into opening a malicious file. The risk to organizations stems from potential compromise of user credentials and systems, impacting business operations and data confidentiality. Organizations should prioritize identifying and mitigating this risk to protect sensitive information and maintain system integrity.- Identify all Adobe Acrobat and Reader installations.
- Block malicious PDF sources and attachments.
- Update software and monitor for anomalies.
