Bug 1996943 (CVE-2021-32780)
| Summary: | CVE-2021-32780 envoyproxy/envoy: denial of service when receiving a GOAWAY frame followed by a SETTINGS frame | ||
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| Product: | [Other] Security Response | Reporter: | Mark Cooper <mcooper> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED NOTABUG | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | jwendell, kconner, rcernich, security-response-team, twalsh |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | envoyproxy/envoy 1.19.1, envoyproxy/envoy 1.18.4 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A vulnerability was found in envoyproxy/envoy, in which the application terminates abruptly. The error occurs when envoy receives a `GOAWAY` frame followed by a `SETTINGS` frame with the parameter `SETTING_MAX_CONCURRENT_STREAMS` to set 0. This flaw allows an attacker to cause a denial of service on the proxy. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-08-25 03:34:54 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1996910 | ||
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Description
Mark Cooper
2021-08-24 04:18:02 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-32780 |