iDefense Security Advisory 09.27.07 - Remote exploitation of multiple buffer overflow vulnerabilities in Computer Associates International Inc.'s (CA) BrightStor HSM allows attackers to execute arbitrary code with SYSTEM privileges. These problems specifically exist within various command handlers in the CsAgent service. There are eleven command handlers that contain one or more stack based buffer overflow vulnerabilities each. All of these vulnerabilities are simple sprintf() calls that overflow fixed size stack buffers with attacker supplied data. Additionally, there are five command handlers that are vulnerable to integer overflow vulnerabilities. In addition to this, the function responsible for reading in and dispatching a request to the appropriate handler also contains an integer overflow vulnerability. iDefense has confirmed the existence of these vulnerabilities in Computer Associates BrightStor HSM version r11.5. Previous versions may also be affected.
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