Executive Summary

Informations
Name CVE-2017-18205 First vendor Publication 2018-02-27
Vendor Cve Last vendor Modification 2018-10-31

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.9 Temporal Score 8.1
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None 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:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18205

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Nessus® Vulnerability Scanner

Date Description
2019-01-14 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2019-013-01.nasl - Type : ACT_GATHER_INFO
2018-12-10 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1396.nasl - Type : ACT_GATHER_INFO
2018-12-07 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-1107.nasl - Type : ACT_GATHER_INFO
2018-11-16 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-3073.nasl - Type : ACT_GATHER_INFO
2018-05-29 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201805-10.nasl - Type : ACT_GATHER_INFO
2018-05-02 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1090.nasl - Type : ACT_GATHER_INFO
2018-05-02 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1091.nasl - Type : ACT_GATHER_INFO
2018-04-18 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-986.nasl - Type : ACT_GATHER_INFO
2018-03-21 Name : The remote Fedora host is missing a security update.
File : fedora_2018-9cdf18a850.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
GENTOO https://security.gentoo.org/glsa/201805-10
MISC https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
REDHAT https://access.redhat.com/errata/RHSA-2018:3073
UBUNTU https://usn.ubuntu.com/3593-1/

Alert History

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Date Informations
2021-05-04 13:00:13
  • Multiple Updates
2021-04-22 02:13:13
  • Multiple Updates
2020-05-23 02:04:55
  • Multiple Updates
2020-05-23 00:58:45
  • Multiple Updates
2018-10-31 13:21:19
  • Multiple Updates
2018-10-21 17:19:40
  • Multiple Updates
2018-03-21 09:19:11
  • Multiple Updates
2018-03-17 00:19:32
  • Multiple Updates
2018-02-28 05:18:49
  • First insertion