GHSA-gjcg-vrxg-xmgvHighCVSS 8.6
Incorrect handling of H2 GOAWAY + SETTINGS frames
🔗 CVE IDs covered (1)
📋 Description
Envoy, which Pomerium is based on, can abnormally terminate if an H/2 GOAWAY and SETTINGS frame are received in the same IO event.
Impact
This can lead to a DoS in the presence of untrusted upstream servers.
Patches
0.15.1 contains an upgraded envoy binary with this vulnerability patched.
Workarounds
If only trusted upstreams are configured, there is not substantial risk of this condition being triggered.
References
envoy GSA envoy CVE envoy announcement
For more information
If you have any questions or comments about this advisory:
- Open an issue in pomerium/pomerium
- Email us at [email protected]
🎯 Affected products1
- go/github.com/pomerium/pomerium:< 0.15.1
🔗 References (5)
- https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8
- https://nvd.nist.gov/vuln/detail/CVE-2021-39162
- https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
- https://github.com/advisories/GHSA-gjcg-vrxg-xmgv