CVE-2021-21706
Microsoft ZipArchive Out-of-Bounds Directory Traversal Vulnerability
Description
In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.
INFO
Published Date :
Oct. 4, 2021, 4:15 a.m.
Last Modified :
Nov. 3, 2021, 8:24 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-21706.
| URL | Resource |
|---|---|
| https://bugs.php.net/bug.php?id=81420 | Issue Tracking Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20211029-0007/ | Third Party Advisory |
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-2021-21706 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21706 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 -
Modified Analysis by [email protected]
Nov. 03, 2021
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20211029-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20211029-0007/ Third Party Advisory -
CVE Modified by [email protected]
Oct. 29, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20211029-0007/ [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 08, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Changed Reference Type https://bugs.php.net/bug.php?id=81420 No Types Assigned https://bugs.php.net/bug.php?id=81420 Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-22 Added CPE Configuration AND OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.31 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.24 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.0.11 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21706 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-2021-21706
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.00%
score
0.39776
percentile