CVE-2024-45808: envoy Improper Encoding — Fix

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. A vulnerability has been identified in Envoy that allows malicious attackers to inject unexpected content into access logs. This is achieved by exploiting the lack of validation for the `REQUESTED_SERVER_NAME` field for access loggers. This issue has been addressed in versions 1.31.2, 1.30.6, 1.29.9, and 1.28.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-117 CWE-117

CWE-116 CWE-116

Affected Products

Vendor	Product	Versions
envoyproxy	envoy	< 1.28.7
envoyproxy	envoy	1.29.0 — 1.29.9
envoyproxy	envoy	1.30.0 — 1.30.6
envoyproxy	envoy	1.31.0 — 1.31.2

References

Advisories & Patches

https://github.com/envoyproxy/envoy/security/advisories/GHSA-p222-xhp9-39rc

Frequently Asked Questions

What is CVE-2024-45808? +

Envoy is a cloud-native high-performance edge/middle/service proxy. A vulnerability has been identified in Envoy that allows malicious attackers to inject unexpected content into access logs. This is achieved by exploiting the lack of validation for the `REQUESTED_SERVER_NAME` field for access loggers. This issue has been addressed in versions 1.31.2, 1.30.6, 1.29.9, and 1.28.7. Users are advised to upgrade. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-45808? +

CVE-2024-45808 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-45808? +

CVE-2024-45808 affects products from envoyproxy, specifically: envoy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-45808? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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