Executive Summary

Informations
Name CVE-2017-18078 First vendor Publication 2018-01-29
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18078

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-59 Improper Link Resolution Before File Access ('Link Following')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 54
Os 1
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-11-21 Name : The remote EulerOS Virtualization host is missing multiple security updates.
File : EulerOS_SA-2018-1371.nasl - Type : ACT_GATHER_INFO
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-1_0-0116.nasl - Type : ACT_GATHER_INFO
2018-07-24 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-2_0-0026.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db560...
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61...
Source Url
EXPLOIT-DB https://www.exploit-db.com/exploits/43935/
MISC http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalatio...
https://github.com/systemd/systemd/issues/7736
MLIST http://www.openwall.com/lists/oss-security/2018/01/29/3
https://lists.debian.org/debian-lts-announce/2019/04/msg00022.html
https://www.openwall.com/lists/oss-security/2018/01/29/4
SUSE http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html

Alert History

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Date Informations
2023-11-07 21:42:08
  • Multiple Updates
2022-01-31 21:23:09
  • Multiple Updates
2022-01-30 01:28:11
  • Multiple Updates
2022-01-29 12:29:43
  • Multiple Updates
2021-06-30 00:22:59
  • Multiple Updates
2021-06-29 21:23:23
  • Multiple Updates
2021-06-28 21:23:18
  • Multiple Updates
2021-05-04 12:59:45
  • Multiple Updates
2021-04-22 02:13:04
  • Multiple Updates
2020-05-23 02:04:49
  • Multiple Updates
2020-05-23 00:58:36
  • Multiple Updates
2019-10-03 09:20:14
  • Multiple Updates
2019-07-18 12:08:59
  • Multiple Updates
2019-04-29 21:19:23
  • Multiple Updates
2019-04-26 21:19:38
  • Multiple Updates
2019-04-25 05:19:25
  • Multiple Updates
2018-10-11 00:20:10
  • Multiple Updates
2018-02-28 21:20:21
  • Multiple Updates
2018-02-02 09:20:06
  • Multiple Updates
2018-01-29 09:20:05
  • First insertion