CVE-2023-26103

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.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/denoland/deno/pull/17722	Patch
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/releases/tag/v1.31.0	Release Notes
https://security.snyk.io/vuln/SNYK-RUST-DENO-3315970	Exploit Technical Description Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*

Information

Published : 2023-02-24 21:15

Updated : 2023-03-06 18:48

NVD link : CVE-2023-26103

Mitre link : CVE-2023-26103

JSON object : View

CWE

CWE-1333

Inefficient Regular Expression Complexity

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Products Affected

deno

deno

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