要点
- CVE-2025-55003 は github.com/openbao/openbao, openbao (openbao) に影響する深刻度「中」 (CVSS 5.7) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.27%（全脆弱性の 19.0% より高い）。
- 対処：2.3.2, 0.0.0-20250807113757-8340a6918f6c 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/openbao/openbao Go | ≥ 0.1.0, < 2.3.2≥ 0.1.0< 0.0.0-20250807113757-8340a6918f6c
| 2.3.20.0.0-20250807113757-8340a6918f6c
|
| openbao | < 2.3.2
| 2.3.2
|
概要
Impact
OpenBao's Login Multi-Factor Authentication (MFA) system allows enforcing MFA using Time-based One Time Password (TOTP). Due to normalization applied by the underlying TOTP library, codes were accepted which could contain whitespace; this whitespace could bypass internal rate limiting of the MFA method and allow reuse of existing MFA codes.
Patches
OpenBao v2.3.2 will patch this issue.
Workarounds
Use of rate-limiting quotas can limit an attacker's ability to exploit this: https://openbao.org/api-docs/system/rate-limit-quotas/
References
This issue was disclosed to HashiCorp and is the OpenBao equivalent of the following tickets:
NVD の説明
OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 2.3.1 and below, OpenBao's Login Multi-Factor Authentication (MFA) system allows enforcing MFA using Time-based One Time Password (TOTP). Due to normalization applied by the underlying TOTP library, codes were accepted which could contain whitespace; this whitespace could bypass internal rate limiting of the MFA method and allow reuse of existing MFA codes. This issue was fixed in version 2.3.2. To work around this, use of rate-limiting quotas can limit an attacker's ability to exploit this: https://openbao.org/api-docs/system/rate-limit-quotas/.
github.com/openbao/openbao のその他の脆弱性
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