CVE-2013-10064 ActFax 5.01 RAW Server Buffer Overflow

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code on ActFax Server by sending crafted data to the RAW protocol interface without authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2013-10064?

CVE-2013-10064 is a critical memory corruption vulnerability in ActFax Server, published on 5 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-121

Which versions are affected by CVE-2013-10064?

How do I fix CVE-2013-10064?

No fix has been published for CVE-2013-10064 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-10064 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2013-10064 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-hh3x-6q43-46x2.

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