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CVE-2022-39238— Improper Authentication in Arvados when using PAM as identity provider

Quick assessment

Affected
arvados arvados
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.

Arvados是用于管理和分析生物医学大数据的开源平台。 Arvados 2.4.2版本及之前版本存在授权问题漏洞，该漏洞源于当使用便携式身份验证模块（PAM）进行用户身份验证时，如果用户提供了有效凭据，但该帐户被禁用或以其他方式不允许访问主机（如过期密码），则仍可以访问Arvados。

CVSS 4.2 · Medium EPSS 0.43% · P36
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I. Basic Information for CVE-2022-39238

Vulnerability Information
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Vulnerability Title
Improper Authentication in Arvados when using PAM as identity provider
Source: CVE Program / CVE List V5
Vulnerability Description
Arvados is an open source platform for managing and analyzing biomedical big data. In versions prior to 2.4.3, when using Portable Authentication Modules (PAM) for user authentication, if a user presented valid credentials but the account is disabled or otherwise not allowed to access the host (such as an expired password), it would still be accepted for access to Arvados. Other authentication methods (LDAP, OpenID Connect) supported by Arvados are not affected by this flaw. This issue is patched in version 2.4.3. Workaround for this issue is to migrate to a different authentication method supported by Arvados, such as LDAP.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Arvados 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arvados是用于管理和分析生物医学大数据的开源平台。 Arvados 2.4.2版本及之前版本存在授权问题漏洞，该漏洞源于当使用便携式身份验证模块（PAM）进行用户身份验证时，如果用户提供了有效凭据，但该帐户被禁用或以其他方式不允许访问主机（如过期密码），则仍可以访问Arvados。
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
arvados arvados < 2.4.3 -

II. Public POCs for CVE-2022-39238

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III. Intelligence Information for CVE-2022-39238

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Vendor Advisories for CVE-2022-39238 (1)

IV. Related Vulnerabilities

Same product: arvados
Same vendor: arvados
Same weakness: CWE-287

V. Comments for CVE-2022-39238

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