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CVE-2023-41885— Piccolo's current `BaseUser.login` implementation is vulnerable to time based user enumeration

Quick assessment

Affected
piccolo-orm piccolo
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.

Piccolo是Piccolo开源的一个快速、用户友好的 ORM 和查询构建器。 Piccolo 0.120.0及之前版本存在安全漏洞，该漏洞源于存在信息泄露，攻击者利用该漏洞可以在平台上成功生成有效用户列表。

CVSS 5.3 · Medium EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2023-41885

Vulnerability Information
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Vulnerability Title
Piccolo's current `BaseUser.login` implementation is vulnerable to time based user enumeration
Source: CVE Program / CVE List V5
Vulnerability Description
Piccolo is an ORM and query builder which supports asyncio. In versions 0.120.0 and prior, the implementation of `BaseUser.login` leaks enough information to a malicious user such that they would be able to successfully generate a list of valid users on the platform. As Piccolo on its own does not also enforce strong passwords, these lists of valid accounts are likely to be used in a password spray attack with the outcome being attempted takeover of user accounts on the platform. The impact of this vulnerability is minor as it requires chaining with other attack vectors in order to gain more then simply a list of valid users on the underlying platform. The likelihood of this vulnerability is possible as it requires minimal skills to pull off, especially given the underlying login functionality for Piccolo based sites is open source. This issue has been patched in version 0.121.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Piccolo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Piccolo是Piccolo开源的一个快速、用户友好的 ORM 和查询构建器。 Piccolo 0.120.0及之前版本存在安全漏洞，该漏洞源于存在信息泄露，攻击者利用该漏洞可以在平台上成功生成有效用户列表。
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
piccolo-orm piccolo < 0.121.0 -

II. Public POCs for CVE-2023-41885

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III. Intelligence Information for CVE-2023-41885

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Patches & Fixes for CVE-2023-41885 (1)

Vendor Advisories for CVE-2023-41885 (1)

IV. Related Vulnerabilities

Same product: piccolo
Same vendor: piccolo-orm
Same weakness: CWE-204

V. Comments for CVE-2023-41885

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