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CVE-2021-43778— Path traversal in GLPI barcode plugin

Quick assessment

Affected
pluginsGLPI barcode
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GLPI是个人开发者的一款开源IT和资产管理软件。该软件提供功能全面的IT资源管理接口，你可以用它来建立数据库全面管理IT的电脑，显示器，服务器，打印机，网络设备，电话，甚至硒鼓和墨盒等。 GLPI 存在路径遍历漏洞，该漏洞源于条形码是一个GLPI插件，用于打印条形码和二维码。GLPI实例版本2。安装了条码插件的版本2.6.1之前的X容易出现路径遍历的漏洞。此问题在2.6.1版本修复。作为一个解决方法，删除 front send.php文件。

CVSS 9.1 · Critical EPSS 52.66% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-43778.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43778

Vulnerability Information
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Vulnerability Title
Path traversal in GLPI barcode plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Barcode is a GLPI plugin for printing barcodes and QR codes. GLPI instances version 2.x prior to version 2.6.1 with the barcode plugin installed are vulnerable to a path traversal vulnerability. This issue was patched in version 2.6.1. As a workaround, delete the `front/send.php` file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
GLPI 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GLPI是个人开发者的一款开源IT和资产管理软件。该软件提供功能全面的IT资源管理接口，你可以用它来建立数据库全面管理IT的电脑，显示器，服务器，打印机，网络设备，电话，甚至硒鼓和墨盒等。 GLPI 存在路径遍历漏洞，该漏洞源于条形码是一个GLPI插件，用于打印条形码和二维码。GLPI实例版本2。安装了条码插件的版本2.6.1之前的X容易出现路径遍历的漏洞。此问题在2.6.1版本修复。作为一个解决方法，删除 front send.php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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
pluginsGLPI barcode >= 2.0.0, < 2.6.1 -

II. Public POCs for CVE-2021-43778

# POC Description Source Link Shenlong Link
1 CVE-2021-43778 poc https://github.com/AK-blank/CVE-2021-43778 POC Details
2 Barcode is a GLPI plugin for printing barcodes and QR codes. GLPI instances version 2.x prior to version 2.6.1 with the barcode plugin installed are vulnerable to a path traversal vulnerability. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-43778.yaml POC Details
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III. Intelligence Information for CVE-2021-43778

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Patches & Fixes for CVE-2021-43778 (1)

Vendor Advisories for CVE-2021-43778 (1)

Other References for CVE-2021-43778 (2)

IV. Related Vulnerabilities

Same vendor: pluginsGLPI
Same weakness: CWE-22

V. Comments for CVE-2021-43778

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