Linux Kernel 4.14.90 drivers/android/binder.c print_binder_ref_olocked information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 4.14.90. It has been classified as problematic. This issue affects the function print_binder_ref_olocked of the file drivers/android/binder.c. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2018-20509. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 4.14.90 (Operating System). This issue affects the function print_binder_ref_olocked of the file drivers/android/binder.c. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The print_binder_ref_olocked function in drivers/android/binder.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading " ref *desc *node" lines in a debugfs file.

The weakness was disclosed 04/30/2019 (Website). The advisory is shared at mail-archive.com. The identification of this vulnerability is CVE-2018-20509 since 12/27/2018. An attack has to be approached locally. The requirement for exploitation is a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/27/2018 🔍
04/30/2019 +124 days 🔍
04/30/2019 +0 days 🔍
06/04/2020 +401 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: mail-archive.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20509 (🔍)
GCVE (CVE): GCVE-0-2018-20509
GCVE (VulDB): GCVE-100-134237
See also: 🔍

Entryinfo

Created: 04/30/2019 23:06
Updated: 06/04/2020 21:28
Changes: 04/30/2019 23:06 (58), 06/04/2020 21:28 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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