github.com/ecies/go vulnerable to possible private key restoration

中 4.8CVE-2023-49292 · GHSA-8j98-cjfr-qx3h · GO-2023-2380 · 05/12/2023 公開 · 17/06/2026 更新

要点

CVE-2023-49292 は github.com/ecies/go/v2, go (ecies) に影響する深刻度「中」 (CVSS 4.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.34%（全脆弱性の 27.1% より高い）。
対処：2.0.8 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/ecies/go/v2 Go	`< 2.0.8`	`2.0.8`
go ecies	`< 2.0.8`	`2.0.8`

概要

Impact

If functions Encapsulate(), Decapsulate() and ECDH() could be called by an attacker, he could recover any private key that he interacts with.

Patches

Patched in v2.0.8

Workarounds

You could manually check public key by calling IsOnCurve() function from secp256k1 libraries.

References

https://github.com/ashutosh1206/Crypton/blob/master/Diffie-Hellman-Key-Exchange/Attack-Invalid-Curve-Point/README.md

NVD の説明

ecies is an Elliptic Curve Integrated Encryption Scheme for secp256k1 in Golang. If funcations Encapsulate(), Decapsulate() and ECDH() could be called by an attacker, they could recover any private key that interacts with it. This vulnerability was patched in 2.0.8. Users are advised to upgrade.