CVE-2013-2727 in Acrobat Reader
Summary
by MITRE
Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2013-2729.
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Analysis
by VulDB Data Team • 05/11/2021
The vulnerability identified as CVE-2013-2727 represents a critical integer overflow flaw affecting Adobe Reader and Acrobat versions prior to specific patch releases. This vulnerability resides within the core processing mechanisms of these document viewers, where improper handling of integer values during memory allocation operations creates opportunities for malicious exploitation. The flaw specifically impacts versions 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03, indicating a widespread issue across multiple product generations that required targeted remediation efforts.
The technical implementation of this integer overflow vulnerability occurs when the affected software processes certain PDF file structures that contain maliciously crafted numerical values. When these values exceed the maximum representable integer limits, the system performs unintended arithmetic operations that result in buffer overflows or memory corruption conditions. This particular flaw differs from CVE-2013-2729, suggesting that attackers can leverage distinct exploitation techniques while maintaining similar underlying principles of memory manipulation. The vulnerability manifests through unspecified vectors that typically involve crafted PDF documents designed to trigger the overflow condition during document parsing operations.
From an operational perspective, successful exploitation of CVE-2013-2727 enables attackers to execute arbitrary code on vulnerable systems with the privileges of the user running Adobe Reader or Acrobat. This represents a severe privilege escalation scenario that can lead to complete system compromise, data exfiltration, and persistence mechanisms. The attack surface is particularly concerning given that PDF documents are commonly encountered in email attachments, web downloads, and document sharing environments. Security researchers have mapped this vulnerability to CWE-190, which specifically addresses integer overflow conditions that can result in memory corruption and arbitrary code execution, aligning with established patterns of buffer overflow exploitation techniques.
The impact of this vulnerability extends beyond individual user systems to enterprise environments where Adobe Reader remains a widely deployed component for document viewing. Organizations face significant risk when legacy versions persist in production environments, as the exploitation requires minimal user interaction beyond opening a malicious document. This characteristic makes the vulnerability particularly attractive to threat actors conducting targeted attacks or automated exploitation campaigns. The vulnerability also maps to several ATT&CK tactics including initial access through malicious documents and execution via code injection techniques. Organizations should implement comprehensive patch management strategies, deploy application whitelisting controls, and maintain network monitoring to detect potential exploitation attempts targeting this vulnerability. The remediation process requires immediate deployment of Adobe's security patches, which address the integer overflow conditions through proper input validation and memory management controls that prevent the overflow scenarios from occurring during document processing operations.