漏洞信息
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Vulnerability Title
S2OPC through 1.7.3 NULL Pointer Dereference in alloc_notification_message_items()
Vulnerability Description
S2OPC through 1.7.3 contains a null pointer dereference in msg_subscription_publish_bs__alloc_notification_message_items() where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions with both data-change and event notifications to cause the server process to terminate.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
空指针解引用
Vulnerability Title
Systerel S2OPC OPC UA Toolkit 异常处理不当漏洞
Vulnerability Description
Systerel S2OPC OPC UA Toolkit是Systerel公司的一款工业通信中间件工具包。 Systerel S2OPC OPC UA Toolkit 1.7.3及之前版本存在异常处理不当漏洞,该漏洞源于msg_subscription_publish_bs__alloc_notification_message_items()函数中DataChangeNotification分配失败被EventNotificationList的成功分配覆盖,可能导致空指针取消引用,攻击者可对同时具有数
CVSS Information
N/A
Vulnerability Type
N/A