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)
The attacker accesses the network that the U1900 series resides, and the U1900 series is triggered to generate and process specific timeout messages. As a module of U1900 series does not initialize requested memory areas when processing the messages, which leads to out-of-bounds memory access that results in system restart.
This vulnerability was reported privately to Huawei by Mickey Shkatov from Intel Advanced Threat Research Team and Jesse Michael from Intel. Huawei expresses our appreciation for Mickey Shkatov’s and Jesse Michael’s coordinated vulnerability disclosure with Huawei.
Huawei PSIRT is not aware of any malicious use of the vulnerabilities described in this advisory.
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