CVE-2012-0269 in Shuriken
Summary
by MITRE
Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010, Ichitaro Portable with oreplug, Ichitaro Viewer, JUST School, JUST School 2009 and 2010, JUST Jump 4, JUST Frontier, oreplug, Shuriken Pro4, Shuriken 2007 through 2010, Shuriken Pro4 Corporate Edition, Shuriken CE/2007 through CE/2009 Corporate Edition, Shuriken 2010 Corporate Edition, Rekishimail Sengokubusho no missho, and Bakumatsushishi no missho allows remote attackers to execute arbitrary code via a crafted image file.
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Analysis
by VulDB Data Team • 02/16/2019
This vulnerability represents a critical buffer overflow flaw affecting multiple software products in the JustSystems Ichitaro suite and related applications. The vulnerability exists in the handling of image files within these applications, where insufficient input validation allows attackers to craft malicious image files that trigger memory corruption when processed by the affected software. The buffer overflow occurs during the parsing of image data structures, specifically when the application attempts to read or process image metadata or pixel data that exceeds allocated buffer boundaries. This type of vulnerability falls under the CWE-121 category of stack-based buffer overflow, though it may also manifest as heap-based overflow depending on the specific implementation details. The affected products span several years of development including Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010, and various specialized editions like JUST School, JUST Jump, and Shuriken series, indicating a widespread issue across the product line.
The operational impact of this vulnerability is severe as it enables remote code execution without requiring any authentication or user interaction beyond opening a maliciously crafted image file. Attackers can leverage this vulnerability to execute arbitrary code with the privileges of the affected application, potentially leading to complete system compromise. The attack vector is particularly dangerous because it requires no user interaction beyond opening the file, making it suitable for phishing attacks or malicious website exploitation. From an attack framework perspective, this vulnerability maps to the MITRE ATT&CK technique T1059.007 for command and scripting interpreter and T1203 for Exploitation for Client Execution, as it allows for code execution through file processing. The vulnerability affects multiple versions and editions, increasing the potential attack surface significantly.
Mitigation strategies for this vulnerability should focus on immediate patching of all affected software versions, as vendors released security updates to address the buffer overflow in image parsing routines. Organizations should implement strict file validation policies that restrict image file types accepted by applications, particularly in environments where users may encounter untrusted content. Network-based mitigations include implementing content filtering solutions that can detect and block potentially malicious image files, though this approach is less effective given the vulnerability's nature. The recommended approach involves disabling unnecessary image processing capabilities and implementing sandboxing mechanisms around image handling components. Security monitoring should include detection of abnormal file processing patterns and memory access violations that could indicate exploitation attempts. Additionally, users should be educated about the risks of opening image files from untrusted sources, and organizations should consider implementing zero-trust network architectures that limit the impact of potential exploitation. The vulnerability demonstrates the importance of proper input validation and memory management practices in application development, aligning with security standards that emphasize defensive programming techniques and secure coding practices.