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A vulnerability has been identified in Cerberus PRO EN Engineering Tool (All versions), Cerberus PRO EN Fire Panel FC72x IP6 (All versions), Cerberus PRO EN Fire Panel FC72x IP7 (All versions), Cerberus PRO EN Fire Panel FC72x IP8 (All versions < IP8 SR4), Cerberus PRO EN X200 Cloud Distribution IP7 (All versions), Cerberus PRO EN X200 Cloud Distribution IP8 (All versions < V4.3.5618), Cerberus PRO EN X300 Cloud Distribution IP7 (All versions), Cerberus PRO EN X300 Cloud Distribution IP8 (All versions < V4.3.5617), Cerberus PRO UL Compact Panel FC922/924 (All versions < MP4), Cerberus PRO UL Engineering Tool (All versions < MP4), Cerberus PRO UL X300 Cloud Distribution (All versions < V4.3.0001), Desigo Fire Safety UL Compact Panel FC2025/2050 (All versions < MP4), Desigo Fire Safety UL Engineering Tool (All versions < MP4), Desigo Fire Safety UL X300 Cloud Distribution (All versions < V4.3.0001), Sinteso FS20 EN Engineering Tool (All versions), Sinteso FS20 EN Fire Panel FC20 MP6 (All versions), Sinteso FS20 EN Fire Panel FC20 MP7 (All versions), Sinteso FS20 EN Fire Panel FC20 MP8 (All versions < MP8 SR4), Sinteso FS20 EN X200 Cloud Distribution MP7 (All versions), Sinteso FS20 EN X200 Cloud Distribution MP8 (All versions < V4.3.5618), Sinteso FS20 EN X300 Cloud Distribution MP7 (All versions), Sinteso FS20 EN X300 Cloud Distribution MP8 (All versions < V4.3.5617), Sinteso Mobile (All versions). The network communication library in affected systems insufficiently validates HMAC values which might result in a buffer overread. This could allow an unauthenticated remote attacker to crash the network service.

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

跨界内存读

Siemens 多款产品缓冲区错误漏洞

Siemens Cerberus PRO是德国西门子（Siemens）公司的一种高级集成火警系统。 Siemens 多款产品存在缓冲区错误漏洞，该漏洞源于网络通信库未充分验证 HMAC 值,导致缓冲区过度读取，导致网络服务崩溃，以下产品和版本受到影响：Cerberus PRO EN Engineering Tool IP8 之前版本、Cerberus PRO EN X300 Cloud Distribution V4.3.5617之前版本、Cerberus PRO EN Fire Panel FC72x

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