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A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.

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堆缓冲区溢出

多款Siemens产品缓冲区错误漏洞

Siemens SIMATIC PCS 7是德国西门子（Siemens）公司的一套过程控制系统。 多款Siemens产品中存在缓冲区错误漏洞。本地攻击者可利用该漏洞导致拒绝服务。以下产品及版本受到影响：Siemens SIMATIC PCS 7 V8.2及之前版本，SIMATIC PCS 7 V9.0 SP3之前的V9.0版本；SIMATIC PDM（所有版本）；SIMATIC STEP 7 5.6 SP2 HF3之前的v5.X版本；SINAMICS STARTER（包含STEP 7 OEM版本）5.4

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