Google Android Linux Kernel diag_dbgfs_read_dcistats memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android. Affected is the function diag_dbgfs_read_dcistats of the component Linux Kernel. The manipulation results in memory corruption. This vulnerability is identified as CVE-2017-15834. The attack is only possible with local access. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in Google Android (Smartphone Operating System) (affected version unknown). Affected is the function diag_dbgfs_read_dcistats of the component Linux Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. 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, race condition in diag_dbgfs_read_dcistats(), while accessing diag_dbgfs_dci_data_index, causes potential heap overflow.

The bug was discovered 03/05/2018. The weakness was released 03/16/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2017-15834 since 10/24/2017. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

Entries connected to this vulnerability are available at VDB-114374, VDB-114376, VDB-114377 and VDB-114686. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
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: 🔍

Patch: source.codeaurora.org

Timelineinfo

10/24/2017 🔍
03/05/2018 +132 days 🔍
03/16/2018 +11 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-2017-15834 (🔍)
GCVE (CVE): GCVE-0-2017-15834
GCVE (VulDB): GCVE-100-114696
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/17/2018 11:37
Updated: 02/22/2023 09:13
Changes: 03/17/2018 11:37 (60), 01/14/2020 13:42 (2), 02/22/2023 09:13 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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