CVE-2023-41337

CVSS 3.1 Score 6.1 of 10 (medium)

Details

Published Dec 12, 2023
Updated: Dec 19, 2023
CWE ID 347

Summary

CVE-2023-41337 is a vulnerability affecting the h2o HTTP server version 2.3.0-beta2 and earlier. This vulnerability allows a malicious backend entity, configured by the administrator of h2o, to redirect HTTPS requests to unintended backends and observe the contents of those requests. The attack involves an attacker misdirecting packets during the TLS connection resumption process. This vulnerability poses a potential danger to organizations using h2o as it can lead to unauthorized access and the exposure of sensitive information. To remediate this vulnerability, users should update their h2o server to a version that includes a fix for this issue.

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