Google Android Linux Kernel wma_pdev_set_hw_mode_resp_evt_handler input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability was found in Google Android (Smartphone Operating System) (version unknown). It has been classified as critical. Affected is the function wma_pdev_set_hw_mode_resp_evt_handler of the component Linux Kernel. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, improper input validation for wmi_event->num_vdev_mac_entries in wma_pdev_set_hw_mode_resp_evt_handler(), which is received from firmware, leads to potential buffer overflow.

The bug was discovered 03/07/2018. The weakness was disclosed 03/16/2018 (Website). The advisory is available at source.android.com. This vulnerability is traded as CVE-2017-18055 since 01/22/2018. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/22/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries 114374, 114376, 114377 and 114686 are pretty similar.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Input validation
CWE: CWE-20
ATT&CK: Unknown

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: source.codeaurora.org

Timelineinfo

01/22/2018 🔍
03/07/2018 +44 days 🔍
03/16/2018 +9 days 🔍
03/16/2018 +0 days 🔍
03/17/2018 +1 days 🔍
02/22/2023 +1803 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18055 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/17/2018 11:39 AM
Updated: 02/22/2023 09:29 AM
Changes: 03/17/2018 11:39 AM (60), 01/14/2020 02:28 PM (2), 02/22/2023 09:29 AM (4)
Complete: 🔍

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