CVE-2017-2921
CriticalSummary
CVE-2017-2921 describes a vulnerability in the Websocket protocol implementation of Cesanta Mongoose 6.8 that can lead to heap buffer overflow. A specially crafted websocket packet can cause an integer overflow, resulting in denial of service and potential remote code execution.
Risk Assessment
The organization may be exposed to attacks that could lead to denial of service and allow remote code execution by an attacker. Exploitation of this vulnerability could severely impact system security.
Recommendation
It is recommended to update to the latest version of Cesanta Mongoose to mitigate this vulnerability. Additionally, monitoring network traffic for suspicious websocket packets is advised.
Original NVD description (English source)
An exploitable memory corruption vulnerability exists in the Websocket protocol implementation of Cesanta Mongoose 6.8. A specially crafted websocket packet can cause an integer overflow, leading to a heap buffer overflow and resulting in denial of service and potential remote code execution. An attacker needs to send a specially crafted websocket packet over network to trigger this vulnerability.