The malloc function in the libSystem library in Apple Mac OS X 10.3.9 and 10.4.2 allows local users to overwrite arbitrary files by setting the MallocLogFile environment variable to the target file before running a setuid application.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mac_os_x | Apple | 10.3.9 (including) | 10.3.9 (including) |
| Mac_os_x | Apple | 10.4.2 (including) | 10.4.2 (including) |
| Mac_os_x_server | Apple | 10.3.9 (including) | 10.3.9 (including) |
| Mac_os_x_server | Apple | 10.4.2 (including) | 10.4.2 (including) |