Security Advisory - Multiple Vulnerabilities in MTK Platform
- SA No:huawei-sa-20170527-01-smartphone
- Initial Release Date: May 27, 2017
- Last Release Date: May 27, 2017
There are multiple vulnerabilities in the graphics driver of MTK platform in Huawei smart phones.
The graphics driver has two buffer overflow vulnerabilities due to the insufficient input verification. An attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a system crash or privilege escalation. (Vulnerability ID: HWPSIRT-2017-03229 and HWPSIRT-2017-03231)
The graphics driver has a memory leak vulnerability due to the insufficient input verification. An attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a memory leak. (Vulnerability ID: HWPSIRT-2017-03230)
Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170527-01-smartphone-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
Y6 Pro |
Versions earlier than TIT-L01C576B119 |
TIT-L01C576B119 |
HWPSIRT-2017-03229 and HWPSIRT-2017-03231:
Successful exploitation of the vulnerabilities allows attackers to crash the system or escalate privilege.
HWPSIRT-2017-03230:
Successful exploitation of the vulnerabilities allows attackers to crash a memory leak.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
HWPSIRT-2017-03229 and HWPSIRT-2017-03231:
Base Score: 6.5 (AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 6.0 (E:F/RL:O/RC:C)
HWPSIRT-2017-03230:
Base Score: 4.2 (AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H)
Temporal Score: 3.9 (E:F/RL:O/RC:C)
HWPSIRT-2017-03229 and HWPSIRT-2017-03231:
This vulnerability can be exploited only when the following conditions are present:
An attacker tricks a user into installing a malicious application which has the system privilege of the Android system.
Vulnerability details:
The attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a system crash or privilege escalation.
HWPSIRT-2017-03230:
This vulnerability can be exploited only when the following conditions are present:
An attacker tricks a user into installing a malicious application which has the system privilege of the Android system.
Vulnerability details:
The attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a memory leak.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
Thes vulnerabilities were reported to Huawei PSIRT by Mateusz Fruba of MWR InfoSecurity Poland. Huawei would like to thank Mateusz Fruba for working with us and coordinated vulnerability disclosure to protect our customers.
2017-05-27 V1.0 INITIAL
None
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