Pion/DTLS contains buffer for inbound DTLS fragments with no limit

中 5.3CVE-2022-29189 · GHSA-cx94-mrg9-rq4j · GO-2022-0461 · 21/05/2022 公開 · 17/06/2026 更新

要点

CVE-2022-29189 は github.com/pion/dtls, github.com/pion/dtls/v2, dtls (pion) に影響する深刻度「中」 (CVSS 5.3) の脆弱性です。
今後30日間に悪用される確率（EPSS）：2.1%（全脆弱性の 82.2% より高い）。
対処：2.1.4 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
github.com/pion/dtls Go	`< 2.1.4`	`2.1.4`
github.com/pion/dtls/v2 Go	`< 2.1.4`	`2.1.4`
dtls pion	`< 2.1.4`	`2.1.4`

概要

Impact

A buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or times out. An attacker could exploit this to cause excessive memory usage.

Patches

Upgrade to Pion DTLS v2.1.4

Workarounds

No workarounds available, upgrade to Pion DTLS v2.1.4

References

Thank you to Juho Nurminen and the Mattermost team for discovering and reporting this.

For more information

If you have any questions or comments about this advisory:

Open an issue in Pion DTLS
Email us at [email protected]

NVD の説明

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, a buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or timed out. An attacker could exploit this to cause excessive memory usage. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.