漏洞信息
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Vulnerability Title
MZ Automation libiec61850 Out-of-bounds Read
Vulnerability Description
The MMS server connection handler contains a flaw in its processing of BER-encoded request data. When an MMS confirmed request PDU containing an extended BER tag is received over an established session, the decoder may advance its internal buffer incorrectly due to a missing bounds check. This results in a one byte heap out-of-bounds read and causes the MMS service process to terminate, leading to a denial-of-service condition.
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
跨界内存读
Vulnerability Title
MZ Automation GmbH libiec61850 缓冲区错误漏洞
Vulnerability Description
MZ Automation GmbH libiec61850是德国MZ Automation GmbH公司开源的一套支持IEC 61850标准的工业通信组件。 MZ Automation GmbH libiec61850 1.6.2之前版本存在缓冲区错误漏洞,该漏洞源于MMS服务器连接处理器在处理BER编码请求数据时缺少边界检查,可能造成一字节堆越界读取,导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A