Vulnerability Information
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Vulnerability Title
Pomerium's service account access token may grant unintended access to databroker API
Vulnerability Description
Pomerium is an identity and context-aware access proxy. The Pomerium databroker service is responsible for managing all persistent Pomerium application state. Requests to the databroker service API are authorized by the presence of a JSON Web Token (JWT) signed by a key known by all Pomerium services in the same deployment. However, incomplete validation of this JWT meant that some service account access tokens would incorrectly be treated as valid for the purpose of databroker API authorization. Improper access to the databroker API could allow exfiltration of user info, spoofing of user sessions, or tampering with Pomerium routes, policies, and other settings. A Pomerium deployment is susceptible to this issue if all of the following conditions are met, you have issued a service account access token using Pomerium Zero or Pomerium Enterprise, the access token has an explicit expiration date in the future, and the core Pomerium databroker gRPC API is not otherwise secured by network access controls. This vulnerability is fixed in 0.27.1.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
授权机制不正确
Vulnerability Title
Pomerium 安全漏洞
Vulnerability Description
Pomerium是美国Pomerium公司的一个开源身份感知访问代理。用于实现对内部应用程序的安全访问。 Pomerium v0.27.1之前版本存在安全漏洞，该漏洞源于对数据代理API的访问不当。攻击者利用该漏洞导致用户信息泄露、用户会话欺骗或Pomerium路由、策略和其他设置被篡改。
CVSS Information
N/A
Vulnerability Type
N/A