Title: Orenosv HTTP/FTP Server CGISSI.EXE Remote Buffer Overflow Vulnerability
Severity: HIGH
Description:
Orenosv HTTP/FTP server is a HTTP/FTP/FTPS server suite available for Microsoft platforms. The server also supports SSI (.shtml) functionality.
Orenosv HTTP/FTP server is prone to a remote buffer overflow vulnerability that affects 'cgissi.exe'. This issue arises because the application fails to perform boundary checks prior to copying user-supplied data into sensitive process buffers.
Specifically, this issue presents itself when the application handles excessive values supplied through an SSI command name. The 'parse_cmd()' function performs an insecure copy operation and a buffer overflow condition can arise when a SSI command containing 120 or more bytes is handled.
A successful attack can result in memory corruption and can be leveraged to cause a denial of service condition or arbitrary code execution. Arbitrary code execution can result in a remote compromise in the context of the server.
Orenosv HTTP/FTP Server 0.8.1 is reportedly vulnerable, however, other versions may be affected as well.
Affected Products:
- Orenosv Orenosv HTTP/FTP Server 0.8.1
References:
- Orenosv: Orenosv HTTP/FTP Server Homepage
- Tan Chew Keong: Orenosv HTTP/FTP Server Buffer Overflow Vulnerabilities
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