JVN#70984231: Mozilla Firefox vulnerable to denial-of-service (DoS)

Overview

Mozilla Firefox contains a denial-of-service (DoS) vulnerability.

Products Affected

Mozilla Firefox prior to 3.6

Description

Mozilla Firefox contains an issue in the validation of certificates, leading to a denial-of-service (DoS) vulnerability.

Impact

When accessing a HTTPS site with a specially crafted Certificate Authority (CA) certificate imported, a denial-of-service (DoS) may occur.

Solution

Update the Software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor	Status	Last Update	Vendor Notes
Mozilla Japan	vulnerable	2011/07/28

References

JPCERT/CC Addendum

This JVN publication was delayed to 2011/07/28 after developer fixes were developed. From the fiscal year 2011, JPCERT/CC is using a new vendor coordination procedure. This new procedure came from the recommendation of the fiscal year 2010 "Study Group on Information System Vulnerability Handling" aimed at more timely JVN publications.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.07.28

Measures	Conditions	Severity
Access Required	can be attacked over the Internet using packets	High
Authentication	anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspicious	Low
Exploit Complexity	expertise and/or luck required (guessing correctly in medium-sized space, kernel expertise)	Low-Mid

Description of each analysis measures

Credit

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2011-2669
JVN iPedia	JVNDB-2011-000057

Update History

2011/09/05: CVE was added under the section "Other Information."

JVN#70984231 Mozilla Firefox vulnerable to denial-of-service (DoS)