DuckDuckGo 4.2.0 WebRTC IP address information disclosure

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 (≈)
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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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in DuckDuckGo 4.2.0. It has been classified as problematic. Impacted is an unknown function of the component WebRTC. The manipulation leads to information disclosure (IP address). This vulnerability is referenced as CVE-2018-6849. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in DuckDuckGo 4.2.0. It has been rated as problematic. This issue affects an unknown code block of the component WebRTC. The manipulation with an unknown input leads to a information disclosure vulnerability (IP Address). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP address in a STUN request.

The bug was discovered 02/12/2018. The weakness was published 04/01/2018 (Website). The advisory is shared at datarift.blogspot.com. The identification of this vulnerability is CVE-2018-6849 since 02/08/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 48 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at Exploit-DB (44403). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: IP Address
Class: Information disclosure / IP Address
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: browser_lanipleak.rb
MetaSploit Name: HTTP Client LAN IP Address Gather
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/08/2018 🔍
02/12/2018 +4 days 🔍
04/01/2018 +48 days 🔍
04/01/2018 +0 days 🔍
04/02/2018 +1 days 🔍
03/15/2025 +2539 days 🔍

Sourcesinfo

Advisory: datarift.blogspot.com
Status: Confirmed

CVE: CVE-2018-6849 (🔍)
GCVE (CVE): GCVE-0-2018-6849
GCVE (VulDB): GCVE-100-115505
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/02/2018 11:27
Updated: 03/15/2025 04:03
Changes: 04/02/2018 11:27 (61), 01/20/2020 08:25 (4), 02/26/2023 09:13 (3), 03/15/2025 04:03 (20)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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