Sangfor Next-Gen Application Firewall Login Un Param Command Injection
CVE-2023-30805

9.8CRITICAL

Key Information:

Vendor

Sangfor

Status
Net-gen Application Firewall
Vendor
CVE Published:
10 October 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 18%

What is CVE-2023-30805?

The Sangfor Next-Gen Application Firewall (NGAF) version 8.0.17 has a vulnerability allowing remote, unauthenticated attackers to inject and execute arbitrary OS commands. This vulnerability is triggered by the mishandling of shell meta-characters within the 'un' parameter when a specially crafted HTTP POST request is sent to the /LogInOut.php endpoint.

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Affected Version(s)

Net-Gen Application Firewall Linux 8.0.17

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-2023-30805 - Proof of Concept

References

https://labs.watchtowr.com/yet-more-unauth-remote-command...
third-party-advisoryexploittechnical-description
https://vulncheck.com/advisories/sangfor-ngaf-username-rce
third-party-advisory
https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
product

EPSS Score

18% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
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

Credit

watchTowr Labs
watchTowr Labs
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