CVE-2011-3412 in Office
Summary
by MITRE
Microsoft Publisher 2003 SP3, and 2007 SP2 and SP3, allows remote attackers to execute arbitrary code via a crafted Publisher file that leverages incorrect memory handling, aka "Publisher Memory Corruption Vulnerability."
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Analysis
by VulDB Data Team • 01/07/2025
The CVE-2011-3412 vulnerability represents a critical memory corruption flaw in Microsoft Publisher 2003 SP3 and Publisher 2007 SP2 and SP3 versions. This vulnerability falls under the category of buffer overflow conditions and memory safety issues that have been extensively documented in cybersecurity literature. The flaw stems from improper memory handling within the Publisher application when processing specially crafted files, creating a pathway for malicious actors to execute arbitrary code on affected systems. This vulnerability is particularly concerning because it enables remote code execution without requiring user interaction beyond opening the malicious file, making it a prime target for automated exploitation campaigns.
The technical implementation of this vulnerability involves the application's failure to properly validate and handle memory allocation when processing malformed Publisher files. According to CWE classification, this corresponds to CWE-125: "Out-of-bounds Read" and CWE-787: "Out-of-bounds Write," which are fundamental memory safety issues that occur when applications do not adequately check array bounds or memory limits during file processing operations. The vulnerability exploits the way Publisher handles specific file structures and data formats, particularly those related to document formatting and embedded objects. Attackers can craft malicious Publisher files that contain oversized or malformed data structures, which when processed by the vulnerable application, cause memory corruption that can be leveraged to inject and execute malicious code with the privileges of the user running the application.
The operational impact of CVE-2011-3412 extends beyond simple remote code execution, as it provides attackers with a foothold for broader system compromise. In enterprise environments where Microsoft Publisher is commonly used for document creation and editing, this vulnerability can serve as an initial access vector for more sophisticated attacks. The vulnerability's remote exploitation capability means that attackers can deliver malicious payloads through email attachments, web downloads, or file sharing mechanisms without requiring physical access to the target system. Organizations running affected Publisher versions face significant risk of data breaches, system compromise, and potential lateral movement within their networks. The vulnerability's presence in widely deployed software versions makes it particularly attractive to threat actors, as it can affect large numbers of potential victims with minimal effort.
Mitigation strategies for CVE-2011-3412 should encompass multiple defensive layers to address the vulnerability effectively. The primary recommendation involves applying Microsoft's security patches and updates, which contain fixes for the memory handling issues that lead to the vulnerability. Organizations should also implement strict file validation policies, particularly for email attachments and file downloads, and consider disabling Publisher file processing in web browsers or email clients where possible. Network-based defenses such as intrusion detection systems and web application firewalls can help detect and block attempts to exploit this vulnerability. Additionally, user education and awareness programs should emphasize the importance of only opening files from trusted sources and avoiding suspicious email attachments. From an ATT&CK framework perspective, this vulnerability maps to T1203: "Exploitation for Client Execution" and T1059: "Command and Scripting Interpreter," highlighting the attack patterns that leverage such memory corruption flaws for initial access and execution within target environments.