CVE-2012-10023

Description

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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
freefloat	freefloat_ftp_server	All

References

Exploits

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_user.rb https://www.exploit-db.com/exploits/15689 https://www.exploit-db.com/exploits/23243 https://www.exploit-db.com/exploits/23243

Other References

https://my.saintcorporation.com/cgi-bin/exploit_info/freefloat_ftp_server_user_cmd https://web.archive.org/web/20101208040029/http://secunia.com/advisories/42465/ https://web.archive.org/web/20101213050627/http://www.freefloat.com/sv/about-/about-.php https://www.vulncheck.com/advisories/freefloat-ftp-server-user-command-buffer-overflow

Frequently Asked Questions

What is CVE-2012-10023? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2012-10023? +

CVE-2012-10023 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2012-10023? +

CVE-2012-10023 affects products from freefloat, specifically: freefloat_ftp_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2012-10023? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-6239

A stack‑based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF CreateUsers service, where the device fails to …

CVE-2026-8356

LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. …

CVE-2026-40489

editorconfig-core-c is an EditorConfig core library for use by plugins supporting EditorConfig parsing. Versions up to and including 0.12.10 have …

CVE-2025-26382

Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue

CVE-2025-1533

A stack buffer overflow has been identified in the AsIO3.sys driver. This vulnerability can be triggered by input manipulation, may …

CVE-2025-3916

CWE-121: Stack-based Buffer Overflow vulnerability exists that could cause local attackers being able to exploit these issues to potentially execute …