Huawei P8/P9 Lite/P9 TrustZone Driver input validation

A vulnerability was found in Huawei P8, P9 Lite and P9 and classified as problematic. This issue affects some unknown processing of the component TrustZone Driver. The manipulation leads to improper input validation. The CWE definition for the vulnerability is CWE-20. The bug was discovered 11/23/2016. The weakness was presented 04/02/2017 as sa-20161123-01 (Website). It is possible to read the advisory at huawei.com. The identification of this vulnerability is CVE-2016-8762. Attacking locally is a requirement. There are no technical details available. There is no exploit available. The pricing for an exploit might be around USD $0-$5k at the moment. It is declared as not defined. The vulnerability was handled as a non-public zero-day exploit for at least 130 days. We expect the 0-day to have been worth approximately $0-$5k. It is recommended to upgrade the affected component. A possible mitigation has been published even before and not after the disclosure of the vulnerability. The vulnerability is also documented other vulnerability databases: SecurityFocus (BID 94509).

Field04/03/2017 09:03 AM08/25/2020 09:03 AM11/24/2022 02:26 PM
typeSmartphone Operating SystemSmartphone Operating SystemSmartphone Operating System
vendorHuaweiHuaweiHuawei
nameP8/P9 Lite/P9P8/P9 Lite/P9P8/P9 Lite/P9
componentTrustZone DriverTrustZone DriverTrustZone Driver
cwe20 (input validation)20 (input validation)20 (input validation)
risk111
cvss2_vuldb_basescore1.91.91.9
cvss2_vuldb_tempscore1.71.71.7
cvss2_vuldb_avLLL
cvss2_vuldb_acMMM
cvss2_vuldb_auNNN
cvss2_vuldb_ciNNN
cvss2_vuldb_iiNNN
cvss2_vuldb_aiPPP
cvss2_nvd_avLLL
cvss2_nvd_acMMM
cvss2_nvd_auNNN
cvss2_nvd_ciNNN
cvss2_nvd_iiNNN
cvss2_nvd_aiPPP
cvss3_meta_basescore3.93.93.9
cvss3_meta_tempscore3.73.73.8
cvss3_vuldb_basescore2.82.82.8
cvss3_vuldb_tempscore2.72.72.7
cvss3_vuldb_avLLL
cvss3_vuldb_acLLL
cvss3_vuldb_prLLL
cvss3_vuldb_uiRRR
cvss3_vuldb_sUUU
cvss3_vuldb_cNNN
cvss3_vuldb_iNNN
cvss3_vuldb_aLLL
cvss3_nvd_avLLL
cvss3_nvd_acLLL
cvss3_nvd_prLLL
cvss3_nvd_uiRRR
cvss3_nvd_sUUU
cvss3_nvd_cNNN
cvss3_nvd_iNNN
cvss3_nvd_aHHH
date1491091200 (04/02/2017)1491091200 (04/02/2017)1491091200 (04/02/2017)
urlhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-01-smartphone-enhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-01-smartphone-enhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-01-smartphone-en
price_0day$0-$5k$0-$5k$0-$5k
nameUpgradeUpgradeUpgrade
cveCVE-2016-8762CVE-2016-8762CVE-2016-8762
cve_assigned1476748800 (10/18/2016)1476748800 (10/18/2016)1476748800 (10/18/2016)
cve_nvd_published149109120014910912001491091200
cve_nvd_summaryThe TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an input validation vulnerability, which allows attackers to cause the system to restart.The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an input validation vulnerability, which allows attackers to cause the system to restart.The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an input validation vulnerability, which allows attackers to cause the system to restart.
securityfocus945099450994509
securityfocus_titleMultiple Huawei Products Local Multiple Security VulnerabilitiesMultiple Huawei Products Local Multiple Security VulnerabilitiesMultiple Huawei Products Local Multiple Security Vulnerabilities
seealso99204 9920599204 9920599204 99205
locationWebsiteWebsiteWebsite
cvss2_vuldb_eNDNDND
cvss2_vuldb_rlOFOFOF
cvss2_vuldb_rcNDNDND
cvss3_vuldb_eXXX
cvss3_vuldb_rlOOO
cvss3_vuldb_rcXXX
0day_days130130130
cvss3_nvd_basescore5.05.05.0
discoverydate14798592001479859200
confirm_urlhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-01-smartphone-enhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-01-smartphone-en
osvdb_titleCVE-2016-8762 - Huawei - Multiple Products - Denial of Service IssueCVE-2016-8762 - Huawei - Multiple Products - Denial of Service Issue
securityfocus_date1479945600 (11/24/2016)1479945600 (11/24/2016)
securityfocus_classBoundary Condition ErrorBoundary Condition Error
identifiersa-20161123-01
cvss2_nvd_basescore1.9

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