Huawei P9 Screen Lock Word File access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Huawei P9 and classified as critical. This vulnerability affects unknown code of the component Screen Lock. The manipulation as part of Word File leads to access control. This vulnerability is referenced as CVE-2017-2691. It is possible to launch the attack on the physical device. No exploit is available.

Detailsinfo

A vulnerability was found in Huawei P9 (Smartphone Operating System) (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Screen Lock. The manipulation as part of a Word File leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Huawei P9 versions earlier before EVA-AL10C00B373, versions earlier before EVA-CL00C92B373, versions earlier before EVA-DL00C17B373, versions earlier before EVA-TL00C01B373 have a lock-screen bypass vulnerability. An unauthenticated attacker could force the phone to the fastboot mode and delete the user's password file during the reboot process, then login the phone without screen lock password after reboot.

The bug was discovered 01/18/2017. The weakness was published 11/22/2017 (Website). The advisory is shared at huawei.com. The identification of this vulnerability is CVE-2017-2691 since 12/01/2016. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/11/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 308 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95658†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
01/18/2017 +48 days 🔍
01/18/2017 +0 days 🔍
11/22/2017 +308 days 🔍
11/22/2017 +0 days 🔍
11/23/2017 +1 days 🔍
01/11/2023 +1875 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20170118-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2691 (🔍)
GCVE (CVE): GCVE-0-2017-2691
GCVE (VulDB): GCVE-100-109805
SecurityFocus: 95658 - Huawei Smart Phones CVE-2017-2691 Security Bypass Vulnerability

Entryinfo

Created: 11/23/2017 07:42
Updated: 01/11/2023 09:28
Changes: 11/23/2017 07:42 (59), 12/09/2019 15:18 (4), 01/11/2023 09:28 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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