FreeFloat FTP Server 1.0.0 USER Command stack-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in FreeFloat FTP Server 1.0.0. This issue affects some unknown processing of the component USER Command Handler. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2012-10023. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FreeFloat FTP Server 1.0.0. Affected by this issue is an unknown functionality of the component USER Command Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.

The weakness was disclosed by D35m0nd142 and 0v3r. The advisory is shared for download at raw.githubusercontent.com. This vulnerability is handled as CVE-2012-10023 since 08/05/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (15689), EUVD (EUVD-2012-6577) and Secunia (SA42465†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• File Transfer Software

Vendor

• FreeFloat

Name

• FTP Server

Version

• 1.0.0

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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