CVE-2021-25292
Pillow PDF RegEx ReDoS
Description
An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.
INFO
Published Date :
March 19, 2021, 4:15 a.m.
Last Modified :
Nov. 21, 2024, 5:54 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-25292 has a 5 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-25292.
| URL | Resource |
|---|---|
| https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html | Release Notes Vendor Advisory |
| https://security.gentoo.org/glsa/202107-33 | Third Party Advisory |
| https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html | Release Notes Vendor Advisory |
| https://security.gentoo.org/glsa/202107-33 | 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).
CVEs and Techniques used PDF as an attack vector.
None
Python JavaScript C#
List of RegEx DoS (ReDoS) CVEs and resources
security awesome redos regex dos regex-dos pentesting awesome-list regex-security
Holds Discord Bot Backup
Python HTML Dockerfile Procfile
Find regular expressions which are vulnerable to ReDoS (Regular Expression Denial of Service)
Python JavaScript C#
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-25292 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25292 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html Added Reference https://security.gentoo.org/glsa/202107-33 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Aug. 08, 2023
Action Type Old Value New Value Changed CWE NVD-CWE-Other CWE-1333 -
Modified Analysis by [email protected]
Dec. 01, 2021
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202107-33 No Types Assigned https://security.gentoo.org/glsa/202107-33 Third Party Advisory -
CVE Modified by [email protected]
Jul. 15, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-33 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 22, 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:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html No Types Assigned https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html Release Notes, Vendor Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* versions up to (excluding) 8.1.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-25292 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-2021-25292
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
0.40575
percentile