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CVE-2023-49801— Lif Auth Server vulnerable to uncontrolled data in path expression

Quick assessment

Affected
Lif-Platforms Lif-Auth-Server
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.

Lif Authentication Server是Lif Platforms开源的一个用于验证 Lif 帐户登录、管理信息和帐户恢复的服务器。 Lif Authentication Server 1.4.0之前版本存在安全漏洞，该漏洞源于没有检查身份验证服务器通过URL接收的文件是否正确，可能允许攻击者访问他们不应访问的文件。

CVSS 4.2 · Medium EPSS 0.38% · P31
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I. Basic Information for CVE-2023-49801

Vulnerability Information
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Vulnerability Title
Lif Auth Server vulnerable to uncontrolled data in path expression
Source: CVE Program / CVE List V5
Vulnerability Description
Lif Auth Server is a server for validating logins, managing information, and account recovery for Lif Accounts. The issue relates to the `get_pfp` and `get_banner` routes on Auth Server. The issue is that there is no check to ensure that the file that Auth Server is receiving through these URLs is correct. This could allow an attacker access to files they shouldn't have access to. This issue has been patched in version 1.4.0.
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
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Lif Authentication Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lif Authentication Server是Lif Platforms开源的一个用于验证 Lif 帐户登录、管理信息和帐户恢复的服务器。 Lif Authentication Server 1.4.0之前版本存在安全漏洞，该漏洞源于没有检查身份验证服务器通过URL接收的文件是否正确，可能允许攻击者访问他们不应访问的文件。
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
Lif-Platforms Lif-Auth-Server >= 1.3.2, < 1.4.0 -

II. Public POCs for CVE-2023-49801

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III. Intelligence Information for CVE-2023-49801

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Patches & Fixes for CVE-2023-49801 (1)

Vendor Advisories for CVE-2023-49801 (1)

IV. Related Vulnerabilities

Same product: Lif-Auth-Server
Same vendor: Lif-Platforms
Same weakness: CWE-22

V. Comments for CVE-2023-49801

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