Application crash via unterminated full-buffer line
Published Mar 10, 2025 · Updated Mar 21, 2025
Stack-based buffer overflow in Assimp 5.4.3 allows remote attackers to crash applications by supplying a malformed 3D model file. GetNextLine permits its output cursor to reach the end of a 4,096-byte stack buffer, then writes the terminating null byte one byte beyond that buffer. Exploitation requires an application or user to parse the crafted file; the demonstrated consequence is an out-of-bounds write and process termination.
Summary
What happened
Stack-based buffer overflow in Assimp 5.4.3 allows remote attackers to crash applications by supplying a malformed 3D model file. GetNextLine permits its output cursor to reach the end of a 4,096-byte stack buffer, then writes the terminating null byte one byte beyond that buffer. Exploitation requires an application or user to parse the crafted file; the demonstrated consequence is an out-of-bounds write and process termination.
The record
- CVE
- CVE-2025-2151
- Published
- Mar 10, 2025
- Updated
- Mar 21, 2025
- Vendor
- Open Asset Import Library
- Product
- Assimp
- Classifications
- CWE-121, CWE-787, CWE-119, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 10, 2025CVE publishedPublication date reported by the CVE source.
- Mar 21, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=5.4.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Assimp GetNextLine malformed OFF-file proof of conceptproof of concept · demonstrated
- Assimp GetNextLine malformed RAW-file proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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