VDB-124247 · CVE-2018-11891 · BID 107770

Google Android WLAN Host array index

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

A vulnerability, which was classified as critical, has been found in Google Android (Smartphone Operating System) (the affected version is unknown). This issue affects an unknown code of the component WLAN Host. The manipulation with an unknown input leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack of check on the length of array while accessing can lead to an out of bound read in WLAN HOST function.

The bug was discovered 09/04/2018. The weakness was disclosed 09/19/2018 (Website). It is possible to read the advisory at source.codeaurora.org. The identification of this vulnerability is CVE-2018-11891 since 06/07/2018. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/17/2023). 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 15 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The entries 124251, 124250, 124249 and 124248 are pretty similar.

Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Array index
CWE: CWE-129 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

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

06/07/2018 🔍
09/04/2018 +89 days 🔍
09/19/2018 +14 days 🔍
09/19/2018 +0 days 🔍
09/20/2018 +1 days 🔍
05/17/2023 +1700 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.codeaurora.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11891 (🔍)
SecurityFocus: 107770

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/20/2018 08:12
Updated: 05/17/2023 09:22
Changes: 09/20/2018 08:12 (59), 03/25/2020 10:31 (2), 05/17/2023 09:22 (5)
Complete: 🔍

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