Google Android Kernel gl_vendor.c mtk_cfg80211_vendor_packet_keep_alive_start out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Google Android Kernel and classified as critical. The affected element is the function mtk_cfg80211_vendor_packet_keep_alive_start of the file drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_vendor.c. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2018-9395. An attack has to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Google Android Kernel. It has been rated as critical. This issue affects the function mtk_cfg80211_vendor_packet_keep_alive_start of the file drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_vendor.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In mtk_cfg80211_vendor_packet_keep_alive_start and mtk_cfg80211_vendor_set_config of drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_vendor.c, there is a possible OOB write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2018-9395 since 04/05/2018. The exploitation is known to be easy. Attacking locally is a requirement. Additional levels of successful authentication are needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/19/2024).

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (google_android): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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

04/05/2018 🔍
12/04/2024 +2435 days 🔍
12/04/2024 +0 days 🔍
12/19/2024 +15 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2018-9395 (🔍)
GCVE (CVE): GCVE-0-2018-9395
GCVE (VulDB): GCVE-100-286919
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/04/2024 22:11
Updated: 12/19/2024 03:14
Changes: 12/04/2024 22:11 (57), 12/06/2024 02:20 (12), 12/19/2024 03:14 (11)
Complete: 🔍
Cache ID: 216::103

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