Kurz gesagt
- CVE-2021-39204 ist eine Schwachstelle (HOCH (CVSS 7.5)) in github.com/pomerium/pomerium, envoy (envoyproxy), pomerium (pomerium).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 1.7%, höher als bei 76.7% aller Schwachstellen.
- Abhilfe: auf 0.15.1, 0.14.8, 1.17.4, 1.18.4 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| github.com/pomerium/pomerium Go | ≥ 0.15.0, < 0.15.1< 0.14.8
| 0.15.10.14.8
|
| envoy | = 1.19.0≥ 1.17.0, < 1.17.4≥ 1.18.0, < 1.18.4≤ 1.16.4
| 1.17.41.18.4
|
| pomerium | = 0.15.0< 0.14.8
| 0.14.8
|
Description
Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset.
Impact
This can result in a DoS condition.
Patches
Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.
Workarounds
N/A
References
envoy GSA
envoy CVE
envoy announcement
For more information
If you have any questions or comments about this advisory:
NVD description
Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. This can result in a DoS condition. Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.
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