Envoy Proxy Crashes Due to Timing Issues
CVE-2024-23322

7.5HIGH

Key Information:

Vendor

envoyproxy

Status
envoy
Vendor
CVE Published:
9 February 2024

What is CVE-2024-23322?

The vulnerability present in Envoy, a high-performance edge/middle/service proxy, causes the service to crash under specific timeout configurations. When the parameters hedge_on_per_try_timeout, per_try_idle_timeout, and per_try_timeout are set simultaneously with compatible timeout intervals, the proxy fails. Upgrading to the specified patched versions, including 1.29.1, 1.28.1, 1.27.3, and 1.26.7, is highly recommended as there are no available workarounds for this vulnerability.

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Deploy the Patch

Affected Version(s)

envoy >= 1.29.0, < 1.29.1 < 1.29.0, 1.29.1

envoy >= 1.28.0, < 1.28.1 < 1.28.0, 1.28.1

envoy >= 1.27.0, < 1.27.3 < 1.27.0, 1.27.3

References

https://github.com/envoyproxy/envoy/security/advisories/G...
x_refsource_CONFIRM
https://github.com/envoyproxy/envoy/commit/843f9e6a123ed4...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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