Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title TVT TD-2308SS-B DVR contains a directory traversal vulnerability
Name VU#785838 First vendor Publication 2013-10-25
Vendor VU-CERT Last vendor Modification 2013-10-25
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:N/A:N)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Vulnerability Note VU#785838

TVT TD-2308SS-B DVR contains a directory traversal vulnerability

Original Release date: 25 Oct 2013 | Last revised: 25 Oct 2013


TVT TD-2308SS-B DVR and possibly other models contain a directory traversal vulnerability (CWE-22).


CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

TVT TD-2308SS-B DVR and possibly other models running firmware version 3.2.0.P-3520A-00 contain a directory traversal vulnerability. An attacker can use directory traversal to download critical files such as the config.dat file for the device which contains the credentials for the web interface. For example:
http://[IP ADDRESS]/../../../mnt/mtd/config/config.dat

This file can be parsed with the strings command to reveal the administrative user's plaintext credentials.


A remote unauthenticated attacker can download the configuration file of the device and use the obtained administrator credentials to access the web interface. The attacker may then modify the settings of the device and have access to the connected cameras.


We are currently unaware of a practical solution to this problem. Please consider the following workaround.

Restrict access to the TVT DVR interface

Restrict access to the TVT DVR web interface to trusted networks. If possible, configure management and transit networks for separate VLANs, or restrict access to the device using IP access lists.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
Shenzhen TVT Digital Technology Co LtdAffected10 Sep 201320 Sep 2013
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)



  • http://cwe.mitre.org/data/definitions/22.html
  • http://en.tvt.net.cn/product.aspx?TypeId=1
  • http://alguienenlafisi.blogspot.com/2013/10/dvr-tvt-directory-traversal.html


Thanks to Cesar Neira for reporting this vulnerability.

This document was written by Adam Rauf.

Other Information

  • CVE IDs:CVE-2013-6023
  • Date Public:25 Oct 2013
  • Date First Published:25 Oct 2013
  • Date Last Updated:25 Oct 2013
  • Document Revision:17


If you have feedback, comments, or additional information about this vulnerability, please send us email.

Original Source

Url : http://www.kb.cert.org/vuls/id/785838

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Hardware 1
Os 16

ExploitDB Exploits

id Description
2013-12-01 TVT TD-2308SS-B DVR - Directory Traversal Vulnerability

Alert History

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Date Informations
2013-12-04 00:18:30
  • Multiple Updates
2013-11-11 13:36:13
  • Multiple Updates
2013-11-05 00:25:15
  • Multiple Updates
2013-11-03 13:22:33
  • Multiple Updates
2013-10-25 17:18:21
  • First insertion