In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CB...

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnerable to padding oracle attacks, particularly with CBC.

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Debian:12 apache2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.25-1"}]}]

Debian:13 apache2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.25-1"}]}]

Debian:14 apache2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.25-1"}]}]

参照URL

advisory security-tracker.debian.org