CVE-2020-36830
"Nescalante URLregex Denial of Service (DoS) Vulnerability"
Description
A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.
INFO
Published Date :
Sept. 2, 2024, 6:15 p.m.
Last Modified :
Sept. 5, 2024, 9:47 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2020-36830.
| URL | Resource |
|---|---|
| https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 | Patch |
| https://github.com/nescalante/urlregex/pull/8 | Exploit |
| https://github.com/nescalante/urlregex/releases/tag/v0.5.1 | Release Notes |
| https://vuldb.com/?ctiid.276269 | Permissions Required |
| https://vuldb.com/?id.276269 | 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-2020-36830 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-36830 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.
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Initial Analysis by [email protected]
Sep. 05, 2024
Action Type Old Value New Value 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/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 No Types Assigned https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 Patch Changed Reference Type https://github.com/nescalante/urlregex/pull/8 No Types Assigned https://github.com/nescalante/urlregex/pull/8 Exploit Changed Reference Type https://github.com/nescalante/urlregex/releases/tag/v0.5.1 No Types Assigned https://github.com/nescalante/urlregex/releases/tag/v0.5.1 Release Notes Changed Reference Type https://vuldb.com/?ctiid.276269 No Types Assigned https://vuldb.com/?ctiid.276269 Permissions Required Changed Reference Type https://vuldb.com/?id.276269 No Types Assigned https://vuldb.com/?id.276269 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nescalante:urlregex:*:*:*:*:*:*:*:* versions up to (excluding) 0.5.1 -
CVE Received by [email protected]
Sep. 02, 2024
Action Type Old Value New Value Added Description A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component. Added Reference VulDB https://vuldb.com/?id.276269 [No types assigned] Added Reference VulDB https://vuldb.com/?ctiid.276269 [No types assigned] Added Reference VulDB https://github.com/nescalante/urlregex/pull/8 [No types assigned] Added Reference VulDB https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 [No types assigned] Added Reference VulDB https://github.com/nescalante/urlregex/releases/tag/v0.5.1 [No types assigned] Added CWE VulDB CWE-1333 Added CVSS V2 VulDB (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V4.0 VulDB CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-36830 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-2020-36830
weaknesses.