Lucene search

[email protected]NVD:CVE-2017-18078

HistoryJan 29, 2018 - 5:29 a.m.

CVE-2017-18078

2018-01-2905:29:00

CWE-59

[email protected]

web.nvd.nist.gov

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

26.8%

JSON

systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file.

Affected configurations

Nvd

Node

systemd_projectsystemdRange<237

Node

debiandebian_linuxMatch8.0

Node

opensuseleapMatch42.3

VendorProductVersionCPE
systemd_projectsystemd*cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
debiandebian_linux8.0cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
opensuseleap42.3cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
systemd_project	systemd	*	cpe:2.3:a:systemd_project:systemd::::::::
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
opensuse	leap	42.3	cpe:2.3:o:opensuse:leap:42.3:::::::*