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.
9.4	$0-$5k	0.00

A vulnerability classified as very critical was found in Mozilla Firefox 4.0 (Web Browser). Affected by this vulnerability is an unknown functionality of the component WebSockets. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the WebSocket specification.

The weakness was presented 12/07/2010 (Website). The advisory is shared at wiki.mozilla.org. This vulnerability is known as CVE-2010-4508 since 12/09/2010. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/06/2021).

The vulnerability scanner Nessus provides a plugin with the ID 75693 (openSUSE Security Update : opera (openSUSE-SU-2010:1094-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64388) and Tenable (75693).

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 4.0

License

• open-source

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: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 75693
Nessus Name: openSUSE Security Update : opera (openSUSE-SU-2010:1094-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 801562
OpenVAS Name: Mozilla Firefox Browser Security Bypass Vulnerabilities - Win
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/07/2010 🔍
12/07/2010 +0 days 🔍
12/09/2010 +2 days 🔍
12/09/2010 +0 days 🔍
12/09/2010 +0 days 🔍
12/11/2010 +2 days 🔍
12/22/2011 +375 days 🔍
06/13/2014 +904 days 🔍
03/19/2015 +279 days 🔍
10/06/2021 +2393 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: wiki.mozilla.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-4508 (🔍)
OVAL: 🔍

X-Force: 64388
Vulnerability Center: 34102 - Mozilla Firefox WebSockets Unspecified Remote Vuln. Due to Improper Proxy Upgrade Negotiation, Medium
OSVDB: 69758 - Mozilla Firefox WebSockets Proxy Upgrade Negotiation Weakness

Entryinfo

Created: 03/19/2015 14:37
Updated: 10/06/2021 15:25
Changes: 03/19/2015 14:37 (61), 04/19/2017 10:31 (8), 10/06/2021 15:25 (2)
Complete: 🔍

Discussion

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