7.5
HIGH CVSS 3.1
CVE-2023-33289
Apache URLnorm Regular Expression Denial of Service (ReDos)
Description

The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. NOTE: the Supplier disputes this, taking the position that "Slow printing of URLs is not a CVE."

INFO

Published Date :

June 21, 2023, 8:15 p.m.

Last Modified :

March 8, 2025, 4:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-33289 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Urlnorm_project urlnorm
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
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-2023-33289.

URL Resource
https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611 Exploit Third Party Advisory
https://github.com/progscrape/urlnorm Product
https://lib.rs/crates/urlnorm Product
https://news.ycombinator.com/item?id=40435263
https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611 Exploit Third Party Advisory
https://github.com/progscrape/urlnorm Product
https://lib.rs/crates/urlnorm Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-33289 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-2023-33289 weaknesses.

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-2023-33289 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-33289 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]

    Mar. 08, 2025

    Action Type Old Value New Value
    Added Tag disputed
    Changed Description The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. NOTE: the Supplier disputes this, taking the position that "Slow printing of URLs is not a CVE."
    Added Reference https://news.ycombinator.com/item?id=40435263
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Dec. 06, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-1333
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611
    Added Reference https://github.com/progscrape/urlnorm
    Added Reference https://lib.rs/crates/urlnorm
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 28, 2023

    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://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611 No Types Assigned https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611 Exploit, Third Party Advisory
    Changed Reference Type https://github.com/progscrape/urlnorm No Types Assigned https://github.com/progscrape/urlnorm Product
    Changed Reference Type https://lib.rs/crates/urlnorm No Types Assigned https://lib.rs/crates/urlnorm Product
    Added CWE NIST CWE-1333
    Added CPE Configuration OR *cpe:2.3:a:urlnorm_project:urlnorm:*:*:*:*:*:rust:*:* versions up to (including) 0.1.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.30 }} -0.07%

score

0.53160

percentile