CVE-2021-24032
Zstandard Default Permissions Vulnerability
Description
Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to unintended parties.
INFO
Published Date :
March 4, 2021, 9:15 p.m.
Last Modified :
April 28, 2021, 8:04 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
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-2021-24032.
| URL | Resource |
|---|---|
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519 | Patch Third Party Advisory |
| https://github.com/facebook/zstd/issues/2491 | Issue Tracking Patch Third Party Advisory |
| https://www.facebook.com/security/advisories/cve-2021-24032 | 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-2021-24032 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-24032 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 -
Reanalysis by [email protected]
Apr. 28, 2021
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:N/A:N) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N -
Initial Analysis by [email protected]
Mar. 09, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519 Patch, Third Party Advisory Changed Reference Type https://github.com/facebook/zstd/issues/2491 No Types Assigned https://github.com/facebook/zstd/issues/2491 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.facebook.com/security/advisories/cve-2021-24032 No Types Assigned https://www.facebook.com/security/advisories/cve-2021-24032 Third Party Advisory Added CWE NIST CWE-276 Added CPE Configuration OR *cpe:2.3:a:facebook:zstandard:*:*:*:*:*:*:*:* versions from (including) 1.4.1 up to (excluding) 1.4.9
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-24032 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-2021-24032
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14257
percentile