Open-Source Security Intelligence

Know every vulnerability
before it knows you.

DevGuard continuously monitors your dependencies and alerts you when CVEs like this one affect your stack — with real-time threat intelligence built for developers.

Checkout DevGuardView on GitHub
Search

GHSA-j34v-3552-5r7j

Published Mar 1, 2022·Last modified Mar 1, 2022
Affected Components(0)

No affected components available

Description

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

No

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 security@pomerium.com

Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Scan your project

Continuously monitor your dependencies and get alerted when vulnerabilities like this one affect your stack.

Checkout DevGuard