CVE-2013-0620 in Acrobat Reader
Summary
by MITRE
Adobe Reader and Acrobat 9.x before 9.5.3, 10.x before 10.1.5, and 11.x before 11.0.1 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-1530, CVE-2013-0601, CVE-2013-0605, CVE-2013-0616, CVE-2013-0619, and CVE-2013-0623.
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Analysis
by VulDB Data Team • 12/27/2024
Adobe Reader and Acrobat versions prior to 9.5.3, 10.1.5, and 11.0.1 contained a critical memory corruption vulnerability that enabled remote code execution and denial of service attacks. This vulnerability exploited unspecified vectors within the software's handling of maliciously crafted PDF documents, allowing attackers to manipulate memory structures and potentially execute arbitrary code on affected systems. The flaw represented a distinct security issue from several other vulnerabilities in the same timeframe, indicating a separate code path or memory handling mechanism that was susceptible to exploitation. The vulnerability's impact extended beyond simple code execution to include potential system crashes and denial of service conditions, making it particularly dangerous in enterprise environments where PDF processing is common. This type of memory corruption vulnerability typically arises from improper bounds checking or buffer overflow conditions within the PDF parsing engine, which processes various elements of PDF files including embedded objects, fonts, and graphics. The vulnerability aligns with CWE-125, which describes out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write vulnerabilities, both of which are common in PDF rendering engines. From an operational perspective, this vulnerability posed significant risk to organizations that regularly processed PDF documents, as attackers could craft malicious files that would trigger the memory corruption when opened in vulnerable versions of Adobe Reader or Acrobat. The exploitation of such vulnerabilities often follows the ATT&CK framework's technique T1203, which involves exploiting software vulnerabilities to gain unauthorized access or execute malicious code. Organizations were particularly vulnerable during the period when these versions were widely deployed, as the attack surface was extensive and the exploitation methods could be automated. The vulnerability's designation as a memory corruption issue indicates that it likely involved manipulation of heap or stack memory structures, potentially through crafted PDF objects that would cause the application to write data beyond allocated memory boundaries. This particular vulnerability demonstrated how PDF processing engines could become attack vectors for broader system compromise, as the memory corruption could lead to code execution in the context of the running application. The security implications extended beyond immediate exploitation to include potential privilege escalation scenarios where attackers could leverage the memory corruption to gain higher system privileges. Remediation required immediate patching of affected versions, with Adobe releasing updates that addressed the underlying memory handling issues in their PDF processing libraries. Organizations needed to implement comprehensive patch management procedures to ensure all instances of vulnerable software were updated, as the vulnerability could be exploited through various attack vectors including email attachments, web downloads, and malicious websites. The vulnerability highlighted the importance of maintaining up-to-date security patches for widely used applications and demonstrated how seemingly isolated memory corruption issues could have far-reaching consequences for enterprise security posture. Security teams needed to monitor for indicators of compromise related to this vulnerability, including unusual memory usage patterns or system crashes that might indicate exploitation attempts. The vulnerability also underscored the challenges of securing complex software applications that process rich media content, where the parsing of structured data formats like PDFs could introduce numerous potential attack surfaces. Organizations implementing security controls needed to consider the broader implications of PDF processing within their networks, as this vulnerability could be leveraged as part of more sophisticated attack campaigns targeting specific user groups or organizations. The incident emphasized the critical nature of vulnerability management programs that could quickly identify and remediate such issues across large software deployments.