Security Advisory - DoS Vulnerability in Huawei U1900 Products

Huawei eSpace U1900 switch series provides professional IP voice solutions to meet communications requirements from various enterprises of different sizes. Huawei eSpace U1900 series includes eSpace U1910, U1911, U1930, U1960, U1980, and U1981.

A vulnerability exists in a module of U1900 series. This module does not initialize requested memory areas when processing specific timeout messages, which leads to out-of-bounds memory access that results in system restart. (Vulnerability ID: HWPSIRT-2015-08035)