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CVE-2017-18205

Good to know:

Date: February 27, 2018

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.

Severity Score

5.6

Related Resources (5)

Url: https://security-tracker.debian.org/tracker/CVE-2017-18205

Url: https://access.redhat.com/errata/RHSA-2018:3073

Url: https://access.redhat.com/security/cve/CVE-2017-18205

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-18205

Url: https://security.gentoo.org/glsa/201805-10

Severity Score

5.6

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

Upgrade Version

CVSS v3.1

Base Score:	5.6
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	LOW

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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