CVE-2007-3408 in Dia
Summary
by MITRE
Multiple unspecified vulnerabilities in Dia before 0.96.1-6 have unspecified attack vectors and impact, probably involving the use of vulnerable FreeType libraries that contain CVE-2007-2754 and/or CVE-2007-1351.
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Analysis
by VulDB Data Team • 09/04/2018
The vulnerability identified as CVE-2007-3408 affects the Dia diagramming application version 0.96.1-5 and earlier, representing a critical security concern that stems from the application's reliance on external libraries containing known vulnerabilities. This issue manifests through unspecified attack vectors that exploit weaknesses in the FreeType font rendering library, which serves as a foundational component for text rendering within the Dia application interface. The vulnerability landscape becomes particularly concerning when considering that Dia's functionality depends on proper font handling for diagram elements, making it susceptible to exploitation through maliciously crafted font files or text elements within diagram files.
The technical flaw in this vulnerability resides in the improper handling of font data within Dia's rendering pipeline, specifically when processing font files that contain the vulnerabilities described in CVE-2007-2754 and CVE-2007-1351. These underlying FreeType vulnerabilities typically involve buffer overflows, memory corruption issues, or improper input validation that can be triggered when the application attempts to render text elements. The attack surface expands significantly because Dia's design allows users to import and manipulate various diagram elements including text boxes, labels, and annotations that may contain embedded font references. When these elements contain maliciously crafted font data, the vulnerable FreeType library components execute code that can lead to arbitrary code execution or denial of service conditions.
The operational impact of this vulnerability extends beyond simple exploitation scenarios to encompass potential system compromise and data integrity threats. Attackers could leverage this vulnerability by crafting malicious diagram files containing specially constructed font data that triggers the FreeType library vulnerabilities when the diagram is opened or rendered within Dia. The implications are particularly severe in enterprise environments where diagram files might be shared across teams or integrated into documentation processes, as a single compromised file could lead to unauthorized code execution on target systems. This vulnerability also represents a significant concern for security researchers and penetration testers who might inadvertently trigger the exploit while analyzing diagram files, potentially leading to system compromise during legitimate security assessments.
Mitigation strategies for CVE-2007-3408 should prioritize immediate application updates to version 0.96.1-6 or later, which contains patches addressing the underlying FreeType library vulnerabilities. System administrators should implement strict file validation procedures for diagram files received from external sources, particularly in environments where diagram files are frequently shared or automatically processed. The implementation of sandboxed execution environments for diagram processing, combined with network segmentation to limit access to vulnerable systems, provides additional layers of protection. Security teams should also consider implementing automated scanning solutions that can detect potentially malicious font data within diagram files before they are opened within the application. From a compliance perspective, this vulnerability aligns with CWE-119 and CWE-125 categories related to memory safety and buffer overflows, while the attack methodology corresponds to ATT&CK techniques involving execution through compromised applications and privilege escalation through code injection. Organizations should also establish secure configuration baselines that disable unnecessary font rendering features and implement monitoring solutions to detect unusual file processing patterns that might indicate exploitation attempts.