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MitreCVE-2018-20509

HistoryApr 30, 2019 - 6:29 p.m.

CVE-2018-20509

2019-04-3018:29:07

CWE-200

mitre

web.nvd.nist.gov

cve-2018-20509

linux kernel

security vulnerability

address information

local users

debugfs

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

4.9

Confidence

High

EPSS

Percentile

5.1%

JSON

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.

Affected configurations

Nvd

Node

linuxlinux_kernelMatch4.14.90

VendorProductVersionCPE
linuxlinux_kernel4.14.90cpe:2.3:o:linux:linux_kernel:4.14.90:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	4.14.90	cpe:2.3:o:linux:linux_kernel:4.14.90:::::::*

References

github.com/Yellow-Pay/CVE/blob/master/CVE-2018-20509.md

security.netapp.com/advisory/ntap-20190517-0002/

www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03902.html

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

4.9

Confidence

High

EPSS

Percentile

5.1%

JSON

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