CVE-2010-2203 in Acrobat Reader
Summary
by MITRE
Adobe Reader and Acrobat 9.x before 9.3.3 on UNIX allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.
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Analysis
by VulDB Data Team • 09/18/2021
Adobe Reader and Acrobat 9.x versions prior to 9.3.3 on UNIX operating systems contain a critical memory corruption vulnerability that enables remote attackers to execute arbitrary code or induce denial of service conditions. This vulnerability stems from insufficient input validation and memory management flaws within the software's processing mechanisms for handling specific file formats or data structures. The unspecified vectors suggest that multiple attack surfaces within the application could be exploited, potentially including malformed PDF files, embedded objects, or specific stream processing routines that fail to properly validate memory boundaries during data parsing operations.
The technical nature of this vulnerability aligns with common software security weaknesses documented in the CWE database under categories related to memory corruption and buffer overflows. Attackers can potentially craft malicious input that triggers memory corruption during the processing of PDF documents, leading to unpredictable behavior including application crashes, memory corruption, or complete system compromise. The memory corruption aspect indicates that the vulnerability likely involves improper handling of heap or stack memory operations, potentially allowing attackers to overwrite critical memory locations or execute malicious code within the application's memory space.
From an operational perspective, this vulnerability presents a significant risk to organizations relying on Adobe Reader and Acrobat for document processing, particularly in environments where users may encounter untrusted PDF content. The impact extends beyond simple denial of service to potential full system compromise, as successful exploitation could enable attackers to execute arbitrary code with the privileges of the affected application. This represents a critical threat in enterprise environments where PDF documents are frequently shared and processed, potentially allowing attackers to establish persistent access or escalate privileges within the system. The vulnerability affects a specific version range, indicating that organizations must ensure proper patch management and version control to maintain security posture.
The security implications of this vulnerability extend to the ATT&CK framework's execution and privilege escalation categories, as exploitation could enable attackers to execute malicious code and potentially move laterally within networks. Organizations should implement immediate patching strategies to upgrade to Adobe Reader and Acrobat 9.3.3 or later versions, which contain the necessary memory safety improvements and input validation controls. Additional mitigations include implementing strict document handling policies, deploying sandboxing solutions for PDF processing, and establishing network monitoring to detect potential exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify systems running vulnerable versions and ensure comprehensive protection against similar memory corruption vulnerabilities in other software components. The vulnerability serves as a reminder of the critical importance of timely security updates and proper memory management practices in software development and deployment environments.