There is an out-of-bounds write vulnerability on several smartphones. The software does not handle the response message properly when the user doing certain inquiry operation, an attacker could send crafted message to the device, successful exploit could cause a denial of service condition. (Vulnerability ID: HWPSIRT-2018-07155)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7987.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
The versions before 220.127.116.11(C00)
Successful exploit could cause a denial of service condition.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Temporal Score: 5.5 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The user does certain inquiry operation and the attacker tampers the response message.
The software does not handle the response message properly when the user doing certain inquiry operation, an attacker could send crafted message to the device, successful exploit could cause a denial of service condition.
Smart phones that support automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was reported to Huawei PSIRT by Tencent Keen Security Lab. Huawei would like to thank Tencent Keen Security Lab with us and coordinated vulnerability disclosure to protect our customers.
2018-11-28 V1.0 INITIAL
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