A remote overflow exists in 2fax. The 2fax fails to check boundary error in the "expandtabs()" function, resulting in a buffer overflow. With a specially crafted request, an attacker can execute arbitrary code on the system, resulting in a loss of integrity and confidentiality.
Classification
Location:
Remote/Network Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version 3.05 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.