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CVE-2023-43669 Detail


The Tungstenite crate before 0.20.1 for Rust allows remote attackers to cause a denial of service (minutes of CPU consumption) via an excessive length of an HTTP header in a client handshake. The length affects both how many times a parse is attempted (e.g., thousands of times) and the average amount of data for each parse attempt (e.g., millions of bytes).


CVSS 3.x Severity and Metrics:

Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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 published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2240110 Issue Tracking  Third Party Advisory 
https://bugzilla.suse.com/show_bug.cgi?id=1215563 Issue Tracking  Third Party Advisory 
https://crates.io/crates/tungstenite/versions Release Notes 
https://cwe.mitre.org/data/definitions/407.html Technical Description 
https://github.com/advisories/GHSA-9mcr-873m-xcxp Third Party Advisory 
https://github.com/github/advisory-database/pull/2752 Patch 
https://github.com/snapview/tungstenite-rs/commit/8b3ecd3cc0008145ab4bc8d0657c39d09db8c7e2 Patch 
https://github.com/snapview/tungstenite-rs/issues/376 Exploit  Issue Tracking 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R77EUWPZVP5WSMNXUXUDNHR7G7OI5NGM/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THK6G6CD4VW6RCROWUV2C4HSINKK3XAK/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TT7SF6CQ5VHAGFLWNXY64NFSW4WIWE7D/ Mailing List  Third Party Advisory 
https://security-tracker.debian.org/tracker/CVE-2023-43669 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

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