NVD

CVE-2023-47124 Detail

Description

Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: GitHub, Inc.

Base Score: 5.9 MEDIUM

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://doc.traefik.io/traefik/https/acme/#dnschallenge	Product
https://doc.traefik.io/traefik/https/acme/#httpchallenge	Product
https://doc.traefik.io/traefik/https/acme/#tlschallenge	Product
https://github.com/traefik/traefik/releases/tag/v2.10.6	Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5	Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f	Third Party Advisory
ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/	Broken Link

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-772	Missing Release of Resource after Effective Lifetime	GitHub, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Initial Analysis by NIST 12/07/2023 4:01:24 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:traefik:traefik::::::::* versions up to (including) 2.10.5 cpe:2.3:a:traefik:traefik:3.0.0:beta1::::::* cpe:2.3:a:traefik:traefik:3.0.0:beta2::::::* cpe:2.3:a:traefik:traefik:3.0.0:beta3::::::* cpe:2.3:a:traefik:traefik:3.0.0:beta4::::::*
Added	CVSS V3.1		NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Changed	Reference Type	https://doc.traefik.io/traefik/https/acme/#dnschallenge No Types Assigned	https://doc.traefik.io/traefik/https/acme/#dnschallenge Product
Changed	Reference Type	https://doc.traefik.io/traefik/https/acme/#httpchallenge No Types Assigned	https://doc.traefik.io/traefik/https/acme/#httpchallenge Product
Changed	Reference Type	https://doc.traefik.io/traefik/https/acme/#tlschallenge No Types Assigned	https://doc.traefik.io/traefik/https/acme/#tlschallenge Product
Changed	Reference Type	https://github.com/traefik/traefik/releases/tag/v2.10.6 No Types Assigned	https://github.com/traefik/traefik/releases/tag/v2.10.6 Release Notes
Changed	Reference Type	https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5 No Types Assigned	https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5 Release Notes
Changed	Reference Type	https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f No Types Assigned	https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f Third Party Advisory
Changed	Reference Type	ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/ No Types Assigned	ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/ Broken Link

New CVE Received by NIST 12/04/2023 4:15:33 PM

Action	Type	New Value
Added	CVSS V3.1	GitHub, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE	GitHub, Inc. CWE-772
Added	Description	Record truncated, showing 500 of 500 characters. View Entire Change Record Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`.
Added	Reference	GitHub, Inc. https://doc.traefik.io/traefik/https/acme/#dnschallenge [No types assigned]
Added	Reference	GitHub, Inc. https://doc.traefik.io/traefik/https/acme/#httpchallenge [No types assigned]
Added	Reference	GitHub, Inc. https://doc.traefik.io/traefik/https/acme/#tlschallenge [No types assigned]
Added	Reference	GitHub, Inc. https://github.com/traefik/traefik/releases/tag/v2.10.6 [No types assigned]
Added	Reference	GitHub, Inc. https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5 [No types assigned]
Added	Reference	GitHub, Inc. https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f [No types assigned]
Added	Reference	GitHub, Inc. ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/ [No types assigned]

Quick Info

CVE Dictionary Entry:
CVE-2023-47124
NVD Published Date:
12/04/2023
NVD Last Modified:
12/07/2023
Source:
GitHub, Inc.

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Information Technology Laboratory

National Vulnerability Database