CVE-2017-18205
"zsh Built-in NULL Pointer Dereference Vulnerability"
Description
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.
INFO
Published Date :
Feb. 27, 2018, 10:29 p.m.
Last Modified :
Oct. 31, 2018, 10:29 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-18205.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-18205 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-18205 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:3073 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 21, 2018
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201805-10 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 21, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3593-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 16, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58 No Types Assigned https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58 Patch, Third Party Advisory Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:zsh_project:zsh:*:*:*:*:*:*:*:* versions up to (excluding) 5.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-18205 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-18205
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.00%
score
0.67928
percentile