Executive Summary

Summary
Title Firefox vulnerabilities
Informations
Name USN-2723-1 First vendor Publication 2015-08-27
Vendor Ubuntu Last vendor Modification 2015-08-27
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Software Description: - firefox: Mozilla Open Source web browser

Details:

A use-after-free was discovered when resizing a canvas element during restyling in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-4497)

Bas Venis discovered that the addon install permission prompt could be bypassed using data: URLs in some circumstances. It was also discovered that the installation notification could be made to appear over another site. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to install a malicious addon. (CVE-2015-4498)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.04:
firefox 40.0.3+build1-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
firefox 40.0.3+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
firefox 40.0.3+build1-0ubuntu0.12.04.1

After a standard system update you need to restart Firefox to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2723-1
CVE-2015-4497, CVE-2015-4498

Package Information:
https://launchpad.net/ubuntu/+source/firefox/40.0.3+build1-0ubuntu0.15.04.1
https://launchpad.net/ubuntu/+source/firefox/40.0.3+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/40.0.3+build1-0ubuntu0.12.04.1

Original Source

Url : http://www.ubuntu.com/usn/USN-2723-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-254 Security Features

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 414
Application 5

Nessus® Vulnerability Scanner

Date Description
2015-11-25 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2015-2081-1.nasl - Type : ACT_GATHER_INFO
2015-10-22 Name : The remote CentOS host is missing a security update.
File : centos_RHSA-2015-1693.nasl - Type : ACT_GATHER_INFO
2015-09-09 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2015-1504-1.nasl - Type : ACT_GATHER_INFO
2015-09-08 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2015-565.nasl - Type : ACT_GATHER_INFO
2015-09-03 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2015-1476-1.nasl - Type : ACT_GATHER_INFO
2015-08-31 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3345.nasl - Type : ACT_GATHER_INFO
2015-08-31 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_237a201c888b487f84d37d92266381d6.nasl - Type : ACT_GATHER_INFO
2015-08-31 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20150827_firefox_on_SL5_x.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Mac OS X host contains a web browser that is affected by multiple ...
File : macosx_firefox_38_2_1_esr.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Mac OS X host contains a web browser that is affected by multiple ...
File : macosx_firefox_40_0_3.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Windows host contains a web browser that is affected by multiple v...
File : mozilla_firefox_38_2_1_esr.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Windows host contains a web browser that is affected by multiple v...
File : mozilla_firefox_40_0_3.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Oracle Linux host is missing a security update.
File : oraclelinux_ELSA-2015-1693.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2015-1693.nasl - Type : ACT_GATHER_INFO
2015-08-28 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2723-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2015-09-01 00:34:04
  • Multiple Updates
2015-08-30 00:41:19
  • Multiple Updates
2015-08-29 13:33:55
  • Multiple Updates
2015-08-27 21:26:55
  • First insertion