ActFax 5.01 RAW Server Buffer Overflow
Vulnerability Description
A stack-based buffer overflow vulnerability exists in ActFax Server version 5.01. The server's RAW protocol interface fails to safely process user-supplied data in @F506 fax header fields due to insecure usage of strcpy. Remote attackers can exploit this vulnerability by sending specially crafted @F506 fields, potentially leading to arbitrary code execution. Successful exploitation requires network access to TCP port 4559 and does not require authentication.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Craig Freyman
References
- http://www.actfax.com/
- https://web.archive.org/web/20130212065755/http://www.pwnag3.com/2013/02/actfax-raw-server-exploit.html
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/misc/actfax_raw_server_bof.rb
- https://www.exploit-db.com/exploits/24467
- https://www.vulncheck.com/advisories/actfax-raw-server-buffer-overflow
Affected Vendor
ActFax Communication
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