CVE-2023-25574
LTI JupyterHub Authenticator does not properly validate JWT Signature
10.0
CRITICAL
CVSS 3.1
EPSS 0.37%
描述
`jupyterhub-ltiauthenticator` is a JupyterHub authenticator for learning tools interoperability (LTI). LTI13Authenticator that was introduced in `jupyterhub-ltiauthenticator` 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only users that has configured a JupyterHub installation to use the authenticator class `LTI13Authenticator` are affected. `jupyterhub-ltiauthenticator` version 1.4.0 removes LTI13Authenticator to address the issue. No known workarounds are available.
如何修補 CVE-2023-25574
要修補 CVE-2023-25574,請將受影響套件升級到下列已修補版本。
- —升級至 1.4.0 或更新版本
- —未列出修補版本
CVE-2023-25574 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 1.3.0, < 1.4.0
- from 0, <= 1.3.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
參考連結(6)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-25574
- PATCHgithub.com/jupyterhub/ltiauthenticator
- WEBgithub.com/jupyterhub/ltiauthenticator/blob/3feec2e81b9d3b0ad6b58ab4226af640833039f3/ltiauthenticator/lti13/validator.py#L122-L164
- WEBgithub.com/jupyterhub/ltiauthenticator/blob/main/CHANGELOG.md#140---2023-03-01