CVE-2008-0101 in White Dune
Summary
by MITRE
Format string vulnerability in the swDebugf function in DuneApp.cpp in White_Dune 0.29 beta791 and earlier allows remote attackers to execute arbitrary code via format string specifiers in a .WRL file.
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Analysis
by VulDB Data Team • 11/05/2017
The vulnerability identified as CVE-2008-0101 represents a critical format string vulnerability within the White_Dune 0.29 beta791 software suite, specifically within the swDebugf function located in the DuneApp.cpp source file. This flaw exists in the handling of debug logging functionality where user-supplied input from .WRL files is processed without proper sanitization or validation. The .WRL file format is commonly used for representing 3D computer graphics and virtual reality scenes, making this vulnerability particularly concerning as it could be exploited through legitimate 3D content files that users might encounter in normal operations.
The technical nature of this vulnerability stems from improper handling of format string arguments within the swDebugf function, which is designed to provide debugging output but fails to validate or sanitize input parameters before processing them as format specifiers. When a maliciously crafted .WRL file containing format string specifiers is processed by the White_Dune application, the vulnerability allows attackers to manipulate the execution flow of the program by injecting format specifiers that can read from or write to memory locations controlled by the attacker. This represents a classic format string vulnerability that can lead to arbitrary code execution, memory corruption, or information disclosure depending on the specific implementation details and target system architecture.
The operational impact of this vulnerability extends beyond simple code execution as it represents a remote code execution vector that could be exploited by attackers without requiring local system access or authentication. Attackers could craft malicious .WRL files that, when opened by unsuspecting users running White_Dune 0.29 beta791 or earlier versions, would trigger the vulnerable code path and provide remote code execution capabilities. This vulnerability particularly affects users who might encounter 3D content files from untrusted sources, such as web downloads, email attachments, or collaborative environments where 3D content sharing is common. The vulnerability's classification aligns with CWE-134 which specifically addresses format string vulnerabilities where format strings are constructed from user-supplied data without proper validation.
From a threat modeling perspective, this vulnerability maps directly to ATT&CK technique T1203 which involves the exploitation of software vulnerabilities to gain access to systems. The attack chain would involve an attacker delivering a malicious .WRL file through social engineering or automated means, followed by the victim opening the file with White_Dune software, triggering the vulnerable function, and ultimately allowing the attacker to execute arbitrary code on the victim's system. The vulnerability's severity is compounded by the fact that it affects a widely used 3D visualization application, making it a prime target for exploitation in various attack scenarios including targeted attacks against users who regularly work with 3D content.
The recommended mitigations for this vulnerability include immediate upgrading to a patched version of White_Dune that addresses the format string vulnerability in the swDebugf function. System administrators should implement strict file validation policies that prevent execution of untrusted .WRL files, particularly in environments where users might encounter content from unknown sources. Additionally, organizations should consider implementing network-based protections such as intrusion detection systems that can identify and block malicious .WRL file content patterns. The vulnerability also highlights the importance of input validation and proper error handling in software development practices, particularly for functions that process user-supplied data. Security teams should also consider implementing application whitelisting solutions that restrict execution of only trusted versions of White_Dune software, and conduct regular vulnerability assessments to identify similar issues in other software components that might be vulnerable to format string attacks.