Use of Uninitialized Variable in trilogy

高 7.5CVE-2022-31026 · GHSA-5g4r-2qhx-vqfm · 09/06/2022 公開 · 17/06/2026 更新

要点

CVE-2022-31026 は trilogy, trilogy (trilogy project) に影響する深刻度「高」 (CVSS 7.5) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.1%（全脆弱性の 65.7% より高い）。
対処：2.1.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
trilogy RubyGems	`< 2.1.1`	`2.1.1`
trilogy trilogy_project	`< 2.1.1`	`2.1.1`

概要

Impact

When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory.

Patches

Users of the trilogy gem should upgrade to version 2.1.1

Workarounds

This issue can be avoided by only connecting to trusted servers.

Acknowledgements

We would like to thank Sergei Volokitin for reporting this vulnerability

For more information

If you have any questions or comments about this advisory:

Open an issue in trilogy

NVD の説明

Trilogy is a client library for MySQL. When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. Users of the trilogy gem should upgrade to version 2.1.1 This issue can be avoided by only connecting to trusted servers.