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CVE-2020-5299— Potential CSV Injection vector in OctoberCMS

Quick assessment

Affected
octobercms october
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.

October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October CMS（composer）1.0.319及之后版本（已在1.0.466版本中修复）中存在命令注入漏洞。该漏洞源于外部输入数据构造可执行命令过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。

CVSS 4.0 · Medium EPSS 1.00% · P62
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I. Basic Information for CVE-2020-5299

Vulnerability Information
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Vulnerability Title
Potential CSV Injection vector in OctoberCMS
Source: CVE Program / CVE List V5
Vulnerability Description
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, any users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: 1. Have found a vulnerability in the victims spreadsheet software of choice. 2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim. 3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software. Issue has been patched in Build 466 (v1.0.466).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
October CMS 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October CMS（composer）1.0.319及之后版本（已在1.0.466版本中修复）中存在命令注入漏洞。该漏洞源于外部输入数据构造可执行命令过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。
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
octobercms october >= 1.0.319, < 1.0.466 -

II. Public POCs for CVE-2020-5299

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III. Intelligence Information for CVE-2020-5299

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Patches & Fixes for CVE-2020-5299 (2)

Vendor Advisories for CVE-2020-5299 (1)

Exploits & Public PoCs for CVE-2020-5299 (1)

Mailing List Discussions for CVE-2020-5299 (1)

Same Patch Batch · octobercms · 2020-06-03 · 5 CVEs total

CVE-2020-5296 6.2 MEDIUM Arbitrary File Deletion vulnerability in OctoberCMS
CVE-2020-5295 4.8 MEDIUM Local File read vulnerability in OctoberCMS
CVE-2020-5298 4.0 MEDIUM Reflected XSS when importing CSV in OctoberCMS
CVE-2020-5297 3.4 LOW Upload whitelisted files to any directory in OctoberCMS

IV. Related Vulnerabilities

Same product: october
Same vendor: octobercms
Same weakness: CWE-77

V. Comments for CVE-2020-5299

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