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Security Advisories: GSA_kwCzR0hTQS1qMzR2LTM1NTItNXI3as0vhA

Multiple security issues in Pomerium's embedded envoy

Envoy, which Pomerium is based on, has issued multiple CVEs impacting stability and security.

Though Pomerium may not be vulnerable to all of the issues, it is recommended that all users upgrade to Pomerium v0.16.4 as soon as possible to minimize risk.

Impact

Possible DoS or crash
Resources available to unauthorized users
Pomerium may trust upstream certificates that should not be trusted

Patches

Patched in v0.16.4

Workarounds

References

Envoy Security Announcement

CVE-2021-43824 (CVSS Score 6.5, Medium): Envoy 1.21.0 and earlier - Potential null pointer dereference when using JWT filter safe_regex match
CVE-2021-43825 (CVSS Score 6.1, Medium): Envoy 1.21.0 and earlier - Use-after-free when response filters increase response data, and increased data exceeds downstream buffer limits.
CVE-2021-43826 (CVSS Score 6.1, Medium): Envoy 1.21.0 and earlier - Use-after-free when tunneling TCP over HTTP, if downstream disconnects during upstream connection establishment
CVE-2022-21654 (CVSS Score 7.3, High): Envoy 1.7.0 and later - Incorrect configuration handling allows mTLS session re-use without re-validation after validation settings have changed.
CVE-2022-21655 (CVSS Score 7.5, High): Envoy 1.21 and earlier - Incorrect handling of internal redirects to routes with a direct response entry
CVE-2022-21657 (CVSS Score 3.1, Low): Envoy 1.20.1 and earlier - X.509 Extended Key Usage and Trust Purposes bypass

For more information

If you have any questions or comments about this advisory:

Open an issue in pomerium/pomerium
Email us at [email protected]

Permalink: https://github.com/advisories/GHSA-j34v-3552-5r7j
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1qMzR2LTM1NTItNXI3as0vhA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 3 years ago
Updated: about 2 years ago

Identifiers: GHSA-j34v-3552-5r7j
References:

Repository: https://github.com/pomerium/pomerium
Blast Radius: 0.0

Affected Packages

go:github.com/pomerium/pomerium

Dependent packages: 5
Dependent repositories: 5
Downloads:
Affected Version Ranges: < 0.16.4
Fixed in: 0.16.4
All affected versions: 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.1.0, 0.2.0, 0.2.1, 0.3.0, 0.3.1, 0.4.0, 0.4.1, 0.4.2, 0.5.0, 0.5.1, 0.5.2, 0.6.0, 0.6.1, 0.6.2, 0.6.3, 0.6.4, 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.7.5, 0.7.6, 0.8.0, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.9.0, 0.9.1, 0.9.2, 0.9.4, 0.9.5, 0.9.6, 0.10.0, 0.10.1, 0.10.2, 0.10.3, 0.10.4, 0.10.5, 0.10.6, 0.11.0, 0.11.1, 0.12.0, 0.12.1, 0.12.2, 0.13.0, 0.13.1, 0.13.2, 0.13.3, 0.13.4, 0.13.5, 0.13.6, 0.14.0, 0.14.1, 0.14.2, 0.14.3, 0.14.4, 0.14.5, 0.14.6, 0.14.7, 0.14.8, 0.15.0, 0.15.1, 0.15.2, 0.15.3, 0.15.4, 0.15.5, 0.15.6, 0.15.7, 0.15.8, 0.16.0, 0.16.1, 0.16.2, 0.16.3
All unaffected versions: 0.16.4, 0.17.0, 0.17.1, 0.17.2, 0.17.3, 0.17.4, 0.18.0, 0.18.1, 0.19.0, 0.19.1, 0.19.2, 0.20.0, 0.20.1, 0.21.0, 0.21.1, 0.21.2, 0.21.3, 0.21.4, 0.22.0, 0.22.1, 0.22.2, 0.22.3, 0.23.0, 0.24.0, 0.25.0, 0.25.1, 0.25.2, 0.26.0, 0.26.1, 0.27.0, 0.27.1, 0.27.2, 0.28.0