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cve[email protected]CVE-2017-17449
HistoryDec 07, 2017 - 12:29 a.m.

CVE-2017-17449

2017-12-0700:29:00
CWE-200
web.nvd.nist.gov
150
linux
kernel
vulnerability
netlink
nvd
security
cve-2017-17449

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0

Percentile

10.1%

The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system.

Affected configurations

NVD
Node
linuxlinux_kernelRangeโ‰ค4.14.4
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0

Percentile

10.1%