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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| openbabel | pip | < 3.2.0 | 3.2.0 |
Miggo AIRoot Cause AnalysisThe vulnerability, CVE-2022-41793, is an out-of-bounds write in the PadString helper function within the CSRformat.cpp file of Open Babel. This flaw occurs when parsing a crafted CSR file with a title field longer than the allocated buffer. The analysis of the provided patch commit 528c142f reveals the exact location of the vulnerability. The original code used strncpy(output, input, strlen(input)), which is insecure as it doesn't prevent writing past the buffer's boundary if the source string is larger. The patch rectifies this by introducing a check to ensure the copied length does not exceed the buffer size and replaces the unsafe strncpy with a safer memcpy operation. The function OpenBabel::PadString is the directly vulnerable function that would be observed in a runtime profile during exploitation.
