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osvGoogleOSV:GHSA-9WMC-RG4H-28WV
HistoryOct 17, 2023 - 12:41 p.m.

github.com/kumahq/kuma affected by CVE-2023-44487

2023-10-1712:41:55
Google
osv.dev
69
github
http2
security
vulnerability
patches
workarounds
envoy
golang
cloud
nginx

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.813

Percentile

98.4%

JSON

Impact

Envoy and Go HTTP/2 protocol stack is vulnerable to the “Rapid Reset” class of exploits, which send a sequence of HEADERS frames optionally followed by RST_STREAM frames.

This can be exercised if you use the builtin gateway and receive untrusted http2 traffic.

Patches

https://github.com/kumahq/kuma/pull/8023
https://github.com/kumahq/kuma/pull/8001
https://github.com/kumahq/kuma/pull/8034

Workarounds

Disable http2 on the gateway listener with a MeshProxyPatch or ProxyTemplate.

References

https://github.com/advisories/GHSA-qppj-fm5r-hxr3
https://github.com/golang/go/issues/63417
https://github.com/envoyproxy/envoy/security/advisories/GHSA-jhv4-f7mr-xx76
https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack
https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/?sf269548684=1
https://www.envoyproxy.io/docs/envoy/latest/configuration/best_practices/edge

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CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

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0.813

Percentile

98.4%

JSON
Related for OSV:GHSA-9WMC-RG4H-28WV
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