var-201803-2171
Vulnerability from variot

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable. MikroTik RouterOS Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. MikroTik RouterOS is a routing operating system developed by MikroTik based on the Linux kernel. By installing this system, standard x86 PC devices can be turned into professional routers. A buffer overflow vulnerability exists in MikroTik RouterOS 6.41.3 and earlier. MikroTik RouterOS is prone to a buffer-overflow vulnerability because it fails to properly bounds-check user-supplied data before copying it into an insufficiently sized buffer. Failed exploit attempts will result in denial-of-service conditions. This system turns a PC computer into a professional router. SMB service is one of the SMB (communication protocol) services

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