Many compilations of MySQL 5.0.12 used yaSSL (yet another SSL) for secure connections. This component contained a critical stack-based buffer overflow vulnerability during the SSL handshake process. By sending a maliciously crafted client hello packet with an oversized cipher suite list, an unauthenticated attacker could overwrite the instruction pointer (EIP) and execute arbitrary code with the privileges of the MySQL daemon process. The Authentication Bypass (CVE-2012-2122 Precursor)
Because the attacker must be authenticated to issue a date_format query, this vulnerability is more suitable for than initial access. However, in environments where many low‑privileged database users exist (e.g., a shared web hosting platform), an attacker who has already obtained a basic database account can leverage this flaw to disrupt service or potentially escalate further.
msfconsole use exploit/multi/mysql/mysql_udf_payload set RHOSTS 192.168.1.50 set USERNAME root set PASSWORD "" exploit Use code with caution. mysql 5.0.12 exploit
A widely used technique against older MySQL versions is . MySQL allows loading external dynamic libraries ( .so on Linux, .dll on Windows) as User‑Defined Functions . By creating a malicious shared library that executes operating system commands (e.g., a function named sys_exec or sys_eval ), an attacker can gain arbitrary command execution on the host.
uint passwd_len = thd->client_capabilities & CLIENT_SECURE_CONNECTION ? *passwd++ : strlen(passwd); Many compilations of MySQL 5
is one such milestone. While it is an ancient version by modern standards (released in 2005), it remains a significant topic for security researchers and penetration testers because of the specific features it introduced—features that fundamentally changed how SQL Injection (SQLi) is performed. 1. The Introduction of the
: The attacker scans port 3306 to locate open MySQL services and banners matching version 5.0.12. A widely used technique against older MySQL versions is
use auxiliary/scanner/mysql/mysql_login set RHOSTS [Target_IP] set USER_FILE /path/to/usernames.txt set PASS_FILE /path/to/passwords.txt run Use code with caution. Copied to clipboard