Huawei P20 prior 8.1.0.171(C00) out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Huawei P20. Affected is an unknown function. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2018-7987. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Huawei P20 (Smartphone Operating System). It has been classified as critical. Affected is some unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00). 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.

The bug was discovered 11/28/2018. The weakness was published 12/04/2018 (Website). The advisory is shared for download at huawei.com. This vulnerability is traded as CVE-2018-7987 since 03/09/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 8.1.0.171(C00) eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: P20 8.1.0.171(C00)

Timelineinfo

03/09/2018 🔍
11/28/2018 +264 days 🔍
12/04/2018 +6 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
06/13/2023 +1651 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20181128-02
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7987 (🔍)
GCVE (CVE): GCVE-0-2018-7987
GCVE (VulDB): GCVE-100-127500

Entryinfo

Created: 12/05/2018 08:28
Updated: 06/13/2023 08:24
Changes: 12/05/2018 08:28 (58), 04/17/2020 15:16 (2), 06/13/2023 08:24 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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