Google Android EXT4 File System out-of-bounds

CVSS Meta Temp Score
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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 rated as critical. This issue affects some unknown processing of the component EXT4 File System. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2018-10877. The attack is only possible with local access. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (version unknown). This affects an unknown function of the component EXT4 File System. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.

The bug was discovered 07/20/2018. The weakness was released 01/07/2019 as Android Security Bulletin - January 2019 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2018-10877 since 05/09/2018. Attacking locally is a requirement. The successful exploitation requires a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 112113 (Ubuntu 14.04 LTS : linux vulnerabilities (USN-3754-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171490 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2018:2776-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112113) and SecurityFocus (BID 104878†). Entries connected to this vulnerability are available at VDB-111671, VDB-120200, VDB-120201 and VDB-120202. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 112113
Nessus Name: Ubuntu 14.04 LTS : linux vulnerabilities (USN-3754-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Timelineinfo

04/16/2018 🔍
05/09/2018 +23 days 🔍
07/18/2018 +70 days 🔍
07/20/2018 +2 days 🔍
08/24/2018 +35 days 🔍
01/05/2019 +134 days 🔍
01/07/2019 +2 days 🔍
02/04/2019 +28 days 🔍
07/04/2023 +1611 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - January 2019
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10877 (🔍)
GCVE (CVE): GCVE-0-2018-10877
GCVE (VulDB): GCVE-100-130431
SecurityFocus: 104878 - Linux Kernel 'ext4_ext_drop_refs()' Function Local Denial of Service Vulnerability

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

Entryinfo

Created: 02/04/2019 08:45
Updated: 07/04/2023 14:17
Changes: 02/04/2019 08:45 (65), 05/07/2020 16:22 (14), 07/04/2023 14:17 (14)
Complete: 🔍
Cache ID: 216:05D:103

Be aware that VulDB is the high quality source for vulnerability data.

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