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[email protected]CVE-2018-20511

HistoryDec 27, 2018 - 2:29 p.m.

CVE-2018-20511

2018-12-2714:29:00

CWE-200

[email protected]

web.nvd.nist.gov

150

linux kernel

security

issue

cve-2018-20511

nvd

vulnerability

appletalk

ipddp

ioctl

cap_net_admin

siocfindipddprt

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

5.5

Confidence

High

EPSS

Percentile

5.1%

JSON

An issue was discovered in the Linux kernel before 4.18.11. The ipddp_ioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel address information by leveraging CAP_NET_ADMIN to read the ipddp_route dev and next fields via an SIOCFINDIPDDPRT ioctl call.