var-201508-0391
Vulnerability from variot

Wind River VxWorks before 5.5.1, 6.5.x through 6.7.x before 6.7.1.1, 6.8.x before 6.8.3, 6.9.x before 6.9.4.4, and 7.x before 7 ipnet_coreip 1.2.2.0, as used on Schneider Electric SAGE RTU devices before J2 and other devices, does not properly generate TCP initial sequence number (ISN) values, which makes it easier for remote attackers to spoof TCP sessions by predicting an ISN value. VxWorks is a real-time operating system widely used on ICS-related devices. Schneider Electric SAGE RTU is a series of industrial data communication equipment of French Schneider Electric (Schneider Electric). Wind River VxWorks is a set of embedded real-time operating systems (RTOS) developed by Wind River in the United States.

A security vulnerability exists in Wind River VxWorks used in previous versions of Schneider Electric SAGE RTU equipment J2. The following versions are affected: Wind River VxWorks before 5.5.1, 6.5.x, 6.6.x, 6.7.x before 6.7.1.1, 6.8.x before 6.8.3, and 6.9 before 6.9.4.4. x version, 7.x version before 7 ipnet_coreip 1.2.2.0. An attacker can exploit this issue to gain access to sensitive information, to cause a denial-of-service condition and perform certain unauthorized actions; this may lead to further attacks

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