Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation (CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique). A remote attacker can rapidly create and cancel HTTP/2 streams to exhaust server resources and cause service unavailability.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 7
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Traefik Traefik
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
|
— |
2.10.5
|
|
Traefik Traefik
cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*
|
— | — |
|
Traefik Traefik
cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:*
|
— | — |
|
Traefik Traefik
cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:*
|
— | — |
|
Golang Go
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
|
— |
1.20.10
|
|
Golang Go
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
|
1.21.0
|
1.21.3
|
|
Redhat Openshift_Ai
cpe:2.3:a:redhat:openshift_ai:-:*:*:*:*:*:*:*
|
— | — |
References 5
https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-reque…
disclosure@vulncheck.com
https://access.redhat.com/security/cve/CVE-2023-54365
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2491710
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json
0b0ca135-0b70-47e7-9f44-1890c2a1c46c