CVE-2021-29059
Apache IS SVG Regular Expression Denial of Service (ReDOS)
Description
A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.
INFO
Published Date :
June 21, 2021, 4:15 p.m.
Last Modified :
Nov. 4, 2021, 2:17 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-29059 has a 1 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-2021-29059.
| URL | Resource |
|---|---|
| https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 | Release Notes Third Party Advisory |
| https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md | Exploit Patch Third Party Advisory |
| https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js | Third Party Advisory |
| https://www.npmjs.com/package/is-svg | Product |
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).
None
JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29059 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29059 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]
Nov. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* versions from (including) 2.1.0 up to (including) 4.3.1 OR *cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* versions from (including) 2.1.0 up to (excluding) 4.3.0 -
Modified Analysis by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* versions up to (including) 4.3.1 OR *cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* versions from (including) 2.1.0 up to (including) 4.3.1 -
CVE Modified by [email protected]
Jul. 06, 2021
Action Type Old Value New Value Changed Description A vulnerability was discovered in IS-SVG version 4.3.1 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string. A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string. -
Initial Analysis by [email protected]
Jun. 25, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 No Types Assigned https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 Release Notes, Third Party Advisory Changed Reference Type https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md No Types Assigned https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md Exploit, Patch, Third Party Advisory Changed Reference Type https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js No Types Assigned https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js Third Party Advisory Changed Reference Type https://www.npmjs.com/package/is-svg No Types Assigned https://www.npmjs.com/package/is-svg Product Added CWE NIST CWE-770 Added CPE Configuration OR *cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* versions up to (including) 4.3.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29059 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-2021-29059
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.04%
score
0.71420
percentile