Dell Web Interface 1.7 testurls.html backdoor

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.3$0-$5k0.00

A vulnerability has been found in Dell Web Interface 1.7 and classified as very critical. Affected by this vulnerability is some unknown processing of the file testurls.html of the component Web Interface. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The web interface on the Dell iDRAC6 with firmware before 1.95 allows remote attackers to modify the CLP interface for arbitrary users and possibly have other impact via a request to an unspecified form that is accessible from testurls.html. NOTE: the vendor disputes the significance of this issue, stating "DRAC s are intended to be on a separate management network; they are not designed nor intended to be placed on or connected to the Internet."

The weakness was released 02/22/2013 by Dan Farmer as Dell backdoor as confirmed exploit (Website). It is possible to read the advisory at fish2.com. The vendor was not involved in the public release. This vulnerability is known as CVE-2013-4785 since 07/08/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/25/2021). The attack technique deployed by this issue is T1588.001 according to MITRE ATT&CK.

A public exploit has been developed by Dan Farmer and been published immediately after the advisory. It is possible to download the exploit at fish2.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. By approaching the search of inurl:testurls.html it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 68905 (Dell iDRAC6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (85568) and Tenable (68905). Additional details are provided at fish2.com. Entry connected to this vulnerability is available at 10470.

Affected

  • Dell iDRAC6 1.7
  • McAfee MVM3100
  • McAfee MVM3000

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Backdoor
CWE: CWE-912
ATT&CK: T1588.001

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Dan Farmer
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 68905
Nessus Name: Dell iDRAC6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/22/2013 🔍
02/22/2013 +0 days 🔍
06/15/2013 +113 days 🔍
07/08/2013 +23 days 🔍
07/08/2013 +0 days 🔍
07/16/2013 +8 days 🔍
07/21/2013 +5 days 🔍
09/25/2013 +66 days 🔍
05/25/2021 +2799 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: Dell backdoor
Researcher: Dan Farmer
Status: Confirmed

CVE: CVE-2013-4785 (🔍)
X-Force: 85568
Vulnerability Center: 40632 - Dell iDRAC 6 Firmware 1.7 Remote CLP Interface Modification Vulnerability via testurls.html (CVE-2013-4785), Critical
OSVDB: 95101

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/25/2013 12:44
Updated: 05/25/2021 21:08
Changes: 09/25/2013 12:44 (55), 05/06/2017 19:23 (20), 05/25/2021 21:08 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!