Executive Summary

Informations
Name CVE-2018-12029 First vendor Publication 2018-06-17
Vendor Cve Last vendor Modification 2019-03-08

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7
Base Score 7 Environmental Score 7
impact SubScore 5.9 Temporal Score 7
Exploitabality Sub Score 1
 
Attack Vector Local Attack Complexity High
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:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2 allows local escalation of privileges when a non-standard passenger_instance_registry_dir with insufficiently strict permissions is configured. Replacing a file with a symlink after the file was created, but before it was chowned, leads to the target of the link being chowned via the path. Targeting sensitive files such as root's crontab file allows privilege escalation.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12029

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 95
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-07-23 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201807-02.nasl - Type : ACT_GATHER_INFO
2018-06-28 Name : The remote Debian host is missing a security update.
File : debian_DLA-1399.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
GENTOO https://security.gentoo.org/glsa/201807-02
MISC https://blog.phusion.nl/passenger-5-3-2
https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc
MLIST https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html

Alert History

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Date Informations
2021-05-04 13:08:05
  • Multiple Updates
2021-04-22 02:21:42
  • Multiple Updates
2020-05-23 02:10:38
  • Multiple Updates
2020-05-23 01:06:34
  • Multiple Updates
2019-03-08 17:18:32
  • Multiple Updates
2019-02-05 12:07:17
  • Multiple Updates
2018-10-21 17:19:41
  • Multiple Updates
2018-08-23 21:20:42
  • Multiple Updates
2018-06-29 12:05:29
  • Multiple Updates
2018-06-18 00:19:38
  • First insertion