Google Android Linux Kernel wma_pdev_div_info_evt_handler memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been classified as critical. This impacts the function wma_pdev_div_info_evt_handler of the component Linux Kernel. This manipulation causes memory corruption. This vulnerability is registered as CVE-2018-5843. The attack needs to be launched locally. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in Google Android (Smartphone Operating System) (unknown version) and classified as critical. Affected by this vulnerability is the function wma_pdev_div_info_evt_handler of the component Linux Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the function wma_pdev_div_info_evt_handler() in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, there is no upper bound check on the value event->num_chains_valid received from firmware which can lead to a buffer overwrite of the fixed size chain_rssi_result structure.

The bug was discovered 05/11/2018. The weakness was published 06/12/2018 (Website). The advisory is shared at codeaurora.org. This vulnerability is known as CVE-2018-5843 since 01/19/2018. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-119415, VDB-119416, VDB-119417 and VDB-119418. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: 🔍

Timelineinfo

01/19/2018 🔍
05/11/2018 +112 days 🔍
06/12/2018 +31 days 🔍
06/12/2018 +0 days 🔍
06/13/2018 +1 days 🔍
02/18/2020 +615 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: codeaurora.org
Status: Not defined

CVE: CVE-2018-5843 (🔍)
GCVE (CVE): GCVE-0-2018-5843
GCVE (VulDB): GCVE-100-119425
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 06/13/2018 08:42
Updated: 02/18/2020 15:55
Changes: 06/13/2018 08:42 (60), 02/18/2020 15:55 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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