CVE-2023-34188 - Vulnerability Details - OpenCVE

The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00111.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Cesanta	Mongoose

Configuration 1 [-]

cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-38288	The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://blog.narfindustries.com/blog/narf-discovers-critical-vulnerabilities-in-cesanta-mongoose-http-server
https://github.com/cesanta/mongoose/commit/4663090a8fb036146dfe77718cff612b0101cb0f
https://github.com/cesanta/mongoose/compare/7.9...7.10
https://github.com/cesanta/mongoose/pull/2197
https://security.netapp.com/advisory/ntap-20250228-0001/

History

Fri, 28 Feb 2025 13:45:00 +0000

Type	Values Removed	Values Added
References		https://security.netapp.com/advisory/ntap-20250228-0001/

Mon, 02 Dec 2024 15:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-1284
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-06-23T00:00:00.000Z

Updated: 2025-02-28T13:07:27.141Z

Reserved: 2023-05-30T00:00:00.000Z

Link: CVE-2023-34188

Vulnrichment

Updated: 2025-02-28T13:07:27.141Z

NVD

Status : Modified

Published: 2023-06-23T20:15:09.053

Modified: 2025-02-28T13:15:26.103

Link: CVE-2023-34188

Redhat

No data.

OpenCVE Enrichment

No data.

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