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CVE-2021-23128— [20210302] - Core - Potential Insecure FOFEncryptRandval

Quick assessment

Affected
Joomla! Project Joomla! CMS
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.

Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla Core 存在安全漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响：Joomla! 3.2.0 through 3.9.24

AI Predicted 5.9 Difficulty: Moderate EPSS 1.33% · P69

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2021-23128

Vulnerability Information
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Vulnerability Title
[20210302] - Core - Potential Insecure FOFEncryptRandval
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla Core 存在安全漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响：Joomla! 3.2.0 through 3.9.24
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
Joomla! Project Joomla! CMS 3.2.0-3.9.24 -

II. Public POCs for CVE-2021-23128

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III. Intelligence Information for CVE-2021-23128

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Other References for CVE-2021-23128 (1)

Same Patch Batch · Joomla! Project · 2021-03-04 · 10 CVEs total

CVE-2021-23129 [20210303] - Core - XSS within alert messages showed to users
CVE-2021-23130 [20210304] - Core - XSS within the feed parser library
CVE-2021-23131 [20210305] - Core - Input validation within the template manager
CVE-2021-23132 [20210306] - Core - com_media allowed paths that are not intended for image uploads
CVE-2021-26027 [20210307] - Core - ACL violation within com_content frontend editing
CVE-2021-26028 [20210308] - Core - Path Traversal within joomla/archive zip class
CVE-2021-26029 [20210309] - Core - Inadequate filtering of form contents could allow to overwrite the aut
CVE-2021-23126 [20210301] - Core - Insecure randomness within 2FA secret generation
CVE-2021-23127 [20210301] - Core - Insecure randomness within 2FA secret generation

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project

V. Comments for CVE-2021-23128

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