CVE-2010-0316 in Google SketchUp
Summary
by MITRE
Integer overflow in Google SketchUp before 7.1 M2 allows remote attackers to cause a denial of service (heap memory corruption) or possibly execute arbitrary code via a crafted SKP file.
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Analysis
by VulDB Data Team • 08/31/2021
The vulnerability identified as CVE-2010-0316 represents a critical integer overflow flaw in Google SketchUp software versions prior to 7.1 M2. This vulnerability resides within the file parsing mechanism that processes SKP files, which are the native file format used by SketchUp for 3D modeling. The integer overflow occurs during the parsing of malformed SKP files, where the application fails to properly validate integer values when processing file structures, leading to unpredictable behavior in memory allocation and handling.
The technical exploitation of this vulnerability leverages the improper handling of integer values during the parsing of 3D model data structures within SKP files. When a maliciously crafted SKP file contains oversized or malformed integer values in its metadata or geometric data sections, the SketchUp application's parser fails to detect the overflow condition. This leads to heap memory corruption as the application attempts to allocate memory blocks based on invalid integer calculations. The vulnerability can manifest as either a denial of service condition where the application crashes due to memory corruption, or more critically, allows for potential arbitrary code execution through carefully crafted memory corruption that could be exploited to overwrite critical program execution pointers or function return addresses.
The operational impact of this vulnerability extends beyond simple service disruption as it represents a remote code execution vector that could be exploited by attackers without requiring local system access. An attacker could distribute malicious SKP files through various channels including email attachments, web downloads, or collaborative platforms where SketchUp files are shared. The vulnerability affects all versions of SketchUp prior to 7.1 M2, making it particularly concerning given the widespread use of this 3D modeling software in design and engineering environments. The heap memory corruption aspect of this vulnerability aligns with CWE-190, which specifically addresses integer overflow conditions, and the potential for arbitrary code execution maps to ATT&CK technique T1059.007 for command and scripting interpreter usage.
Mitigation strategies for CVE-2010-0316 primarily involve immediate software updates to SketchUp version 7.1 M2 or later, which contains the necessary patches to properly validate integer values during file parsing operations. Organizations should implement strict file validation policies for any SKP files received from external sources, particularly those from untrusted parties or unknown origins. Network administrators should consider implementing file type filtering at network boundaries to prevent potentially malicious SKP files from entering the network environment. Additionally, regular security awareness training should emphasize the dangers of opening unknown or unverified 3D modeling files, as social engineering attacks often leverage file attachment delivery methods to exploit such vulnerabilities. System administrators should also consider implementing sandboxing techniques when processing 3D modeling files to limit the potential impact of successful exploitation attempts. The vulnerability demonstrates the importance of proper input validation in file format parsers and highlights the critical need for robust integer overflow protection mechanisms in software applications handling user-supplied data.