CVE-2014-8454 in Acrobat Reader
Summary
by MITRE
Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.13 and 11.x before 11.0.10 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2014-8455 and CVE-2014-9165.
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Analysis
by VulDB Data Team • 02/27/2022
The CVE-2014-8454 vulnerability represents a critical use-after-free flaw affecting Adobe Reader and Acrobat versions 10.x prior to 10.1.13 and 11.x prior to 11.0.10 across Windows and macOS platforms. This vulnerability falls under the CWE-416 category, which specifically addresses use-after-free conditions where memory is accessed after it has been freed, creating a predictable exploitation vector for malicious actors. The flaw is particularly concerning as it enables remote code execution through unspecified attack vectors, making it a significant threat to enterprise environments and individual users who rely on Adobe's PDF rendering software for document processing and viewing.
The technical implementation of this vulnerability stems from improper memory management within Adobe's PDF processing engine, where certain objects are freed from memory but continue to be referenced or accessed by subsequent operations. This memory corruption issue typically occurs during the parsing of maliciously crafted PDF files, particularly when handling specific embedded objects or streams that trigger the flawed memory management routine. Attackers can leverage this vulnerability by crafting specially designed PDF documents that, when opened in vulnerable versions of Adobe Reader or Acrobat, cause the application to execute arbitrary code with the privileges of the currently logged-in user. The exploitation mechanism often involves manipulating heap memory layout to achieve code execution through return-oriented programming or direct memory manipulation techniques.
The operational impact of CVE-2014-8454 extends beyond simple privilege escalation, as it represents a complete compromise of the affected system. Once successfully exploited, attackers can install malware, modify system files, establish persistence mechanisms, and potentially escalate privileges to system-level access. The vulnerability's presence in widely deployed software across multiple operating systems creates an extensive attack surface, making it particularly attractive to threat actors seeking broad exploitation capabilities. Organizations running affected versions of Adobe Reader and Acrobat face significant risk of data breaches, system compromise, and potential lateral movement within their networks, as the vulnerability can be exploited through various attack vectors including email attachments, web downloads, and malicious websites. The vulnerability's classification aligns with ATT&CK technique T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation, making it a valuable tool for attackers seeking to establish persistent access.
Mitigation strategies for CVE-2014-8454 primarily focus on immediate patch deployment and application of Adobe's security updates, specifically version 10.1.13 for Reader 10.x and 11.0.10 for Acrobat 11.x. Organizations should implement comprehensive patch management processes to ensure all affected systems receive updates promptly, as the vulnerability can be exploited remotely without user interaction in many scenarios. Additional protective measures include implementing PDF sandboxing features, restricting user privileges when opening PDF files, deploying network-based intrusion detection systems to monitor for suspicious PDF-related traffic, and configuring email security solutions to filter potentially malicious PDF attachments. Security professionals should also consider implementing application whitelisting policies that restrict execution of untrusted PDF files and establish monitoring procedures to detect anomalous behavior indicative of exploitation attempts. The vulnerability's remediation aligns with industry best practices outlined in NIST SP 800-40 and ISO/IEC 27001 frameworks, emphasizing the importance of timely vulnerability management and security configuration hardening.