CVE-2011-2478 in SketchUp
Summary
by MITRE
Google SketchUp before 8 does not properly handle edge geometry in SketchUp (aka .SKP) files, which allows remote attackers to execute arbitrary code via a crafted file.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2011-2478 represents a critical code execution flaw in Google SketchUp software versions prior to 8.0, specifically targeting the handling of edge geometry within .SKP file format. This issue stems from insufficient input validation and improper memory management when processing malformed geometric data structures in SketchUp's proprietary file format. The vulnerability exists at the core parsing logic where the application fails to properly validate the integrity of edge definitions within 3D models, creating a pathway for malicious actors to inject and execute arbitrary code through carefully crafted .SKP files. The flaw manifests when the software attempts to render complex geometric relationships that exceed normal processing boundaries, allowing attackers to manipulate memory structures and gain unauthorized execution privileges.
This vulnerability falls under the category of buffer overflow and memory corruption issues, aligning with CWE-121 which addresses stack-based buffer overflow conditions. The attack vector is particularly dangerous as it leverages the file format itself as an attack surface, making it possible for remote attackers to deliver malicious payloads through various distribution channels including email attachments, web downloads, or collaborative platforms where SketchUp files are shared. The exploitation requires minimal user interaction beyond opening the malicious file, making it particularly effective for social engineering campaigns. The vulnerability impacts the application's rendering engine and memory management subsystems, where edge geometry data structures are processed without adequate bounds checking or sanitization routines.
The operational impact of CVE-2011-2478 extends beyond simple code execution to encompass potential system compromise and data exfiltration capabilities. When successfully exploited, the vulnerability allows attackers to execute code with the privileges of the SketchUp application process, which typically runs with the same permissions as the user who opened the file. This can lead to complete system compromise if the user has administrative privileges, enabling attackers to install backdoors, modify system files, or establish persistent access. The vulnerability also poses significant risks in enterprise environments where SketchUp is used for collaborative design and engineering projects, as it can be exploited through supply chain attacks or compromised design files shared between organizations.
Mitigation strategies for CVE-2011-2478 primarily focus on immediate software updates and operational security measures. Organizations should prioritize upgrading to Google SketchUp version 8.0 or later, which includes proper input validation and memory management improvements. Additionally, implementing file validation policies that scan .SKP files for suspicious geometric patterns or excessive complexity can provide defense-in-depth protection. Network-based security controls such as email filtering and web proxies should be configured to block .SKP file downloads from untrusted sources. From an ATT&CK framework perspective, this vulnerability maps to technique T1059.007 for command and scripting interpreter and T1566 for spearphishing, highlighting the need for comprehensive endpoint protection and user awareness training. Regular security assessments of design and collaboration platforms should include vulnerability scanning for legacy software versions that may still be in use within organizations.