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CVE-2022-39219— Bifrost users using basic authntication can bypass write permission limit

Quick assessment

Affected
brokercap Bifrost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bifrost是brokercap个人开发者的面向生产环境的用于将MySQL,MariaDB同步到Redis,ClickHouse,Elasticsearch等服务的异构中间件。 Bifrost 1.8.6-release及以前的版本存在授权问题漏洞，该漏洞源于其在使用HTTP基本身份验证时容易发生身份验证绕过导致允许只有读权限的组成员进行写请求。

CVSS 8.5 · High EPSS 0.95% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-39219

Vulnerability Information
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Vulnerability Title
Bifrost users using basic authntication can bypass write permission limit
Source: CVE Program / CVE List V5
Vulnerability Description
Bifrost is a middleware package which can synchronize MySQL/MariaDB binlog data to other types of databases. Versions 1.8.6-release and prior are vulnerable to authentication bypass when using HTTP basic authentication. This may allow group members who only have read permissions to write requests when they are normally forbidden from doing so. Version 1.8.7-release contains a patch. There are currently no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Bifrost 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bifrost是brokercap个人开发者的面向生产环境的用于将MySQL,MariaDB同步到Redis,ClickHouse,Elasticsearch等服务的异构中间件。 Bifrost 1.8.6-release及以前的版本存在授权问题漏洞，该漏洞源于其在使用HTTP基本身份验证时容易发生身份验证绕过导致允许只有读权限的组成员进行写请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
brokercap Bifrost < 1.8.7-release -

II. Public POCs for CVE-2022-39219

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III. Intelligence Information for CVE-2022-39219

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Vendor Advisories for CVE-2022-39219 (1)

Other References for CVE-2022-39219 (2)

IV. Related Vulnerabilities

Same product: Bifrost
Same vendor: brokercap
Same weakness: CWE-287

V. Comments for CVE-2022-39219

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