WebRTC Private IP Disclosure in DuckDuckGo Browser
CVE-2018-6849

4.3MEDIUM

Key Information:

Vendor

Duckduckgo

Status
Duckduckgo
Vendor
CVE Published:
1 April 2018

What is CVE-2018-6849?

In version 4.2.0 of the DuckDuckGo browser, a vulnerability in the WebRTC component allows the disclosure of the user's private IP address. When visiting specific websites designed to exploit this flaw, such as https://ip.voidsec.com, the browser inadvertently sends a STUN request that includes the private IP address of the client. This poses a potential risk to user privacy, as sensitive network information may be exposed, enabling tracking or other malicious activities. Users of DuckDuckGo are encouraged to take precautions to mitigate the risk of this information being leaked.

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References

https://github.com/rapid7/metasploit-framework/pull/9538
x_refsource_MISC
https://voidsec.com/vpn-leak/
x_refsource_MISC
https://www.exploit-db.com/exploits/44403/
exploitx_refsource_EXPLOIT-DB

EPSS Score

76% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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