CVE-2021-21796
Nitro Pro PDF Use-After-Free Code Execution Vulnerability
Description
An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.
INFO
Published Date :
Oct. 18, 2021, 1:15 p.m.
Last Modified :
May 13, 2022, 5:14 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-21796.
| URL | Resource |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265 | Exploit Mitigation 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-2021-21796 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21796 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]
May. 13, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 28, 2022
Action Type Old Value New Value Added CWE Talos CWE-416 -
CVE Modified by [email protected]
Apr. 19, 2022
Action Type Old Value New Value Added CVSS V3 Talos AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H -
Initial Analysis by [email protected]
Oct. 21, 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:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265 No Types Assigned https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265 Exploit, Mitigation, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:gonitro:nitro_pro:13.31.0.605:*:*:*:*:*:*:* *cpe:2.3:a:gonitro:nitro_pro:13.33.2.645:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21796 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-2021-21796
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.02%
score
0.38808
percentile