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CVE-2023-26103 Detail

Current Description

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to significantly slow down a web socket server.

View Analysis Description


CVSS 4.0 Severity and Metrics:

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/denoland/deno/blob/2b247be517d789a37e532849e2e40b724af0918f/ext/http/01_http.js%23L395-L409 Broken Link 
https://github.com/denoland/deno/commit/cf06a7c7e672880e1b38598fe445e2c50b4a9d06 Patch 
https://github.com/denoland/deno/pull/17722 Patch 
https://github.com/denoland/deno/releases/tag/v1.31.0 Release Notes 
https://security.snyk.io/vuln/SNYK-RUST-DENO-3315970 Exploit  Technical Description  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1333 Inefficient Regular Expression Complexity cwe source acceptance level NIST   Contributor acceptance level Snyk  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
NVD Published Date:
NVD Last Modified: