Envoy Proxy Crashes due to HTTP Async Client Issues
CVE-2024-45810

6.5MEDIUM

Key Information:

Vendor

Envoyproxy

Status
Envoy
Vendor
CVE Published:
20 September 2024

What is CVE-2024-45810?

A vulnerability has been identified in the Envoy cloud-native high-performance edge/middle/service proxy, leading to potential system crashes under specific conditions, such as websocket upgrades and request mirroring scenarios. This flaw stems from the improper handling of the sendLocalReply() method within the HTTP asynchronous client. Issues arise when the status code is duplicated, coupled with inappropriate destruction of the router during the async stream's lifecycle, which results in a segmentation fault. This confrontation compromises the functioning of ext_authz when upgrade and connection headers are utilized. Users are strongly advised to upgrade to fixed versions: 1.31.2, 1.30.6, 1.29.9, or 1.28.7 as no workarounds are available.

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Affected Version(s)

envoy < 1.28.7 < 1.28.7

envoy >= 1.29.0, < 1.29.9 < 1.29.0, 1.29.9

envoy >= 1.30.0, < 1.30.6 < 1.30.0, 1.30.6

References

https://github.com/envoyproxy/envoy/security/advisories/G...
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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