Path traversal in GLPI barcode plugin
CVE-2021-43778

9.1CRITICAL

Key Information:

Vendor

Pluginsglpi

Status
Barcode
Vendor
CVE Published:
24 November 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 87%

What is CVE-2021-43778?

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.

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Deploy the Patch

Affected Version(s)

barcode >= 2.0.0, < 2.6.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-43778
Created by AK-blank

References

https://github.com/pluginsGLPI/barcode/security/advisorie...
x_refsource_CONFIRM
https://github.com/pluginsGLPI/barcode/commit/428c3d9adfb...
x_refsource_MISC
https://github.com/hansmach1ne/MyExploits/tree/main/Path%...
x_refsource_MISC

EPSS Score

87% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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