Mozilla Firefox/Thunderbird 23.0 Mozilla Updater MAR File access control

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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mozilla Firefox and Thunderbird 23.0. Affected by this vulnerability is an unknown functionality of the component Mozilla Updater. The manipulation as part of MAR File leads to access control. This vulnerability is traded as CVE-2013-1726. An attack has to be approached locally. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox and Thunderbird 23.0 (Web Browser). It has been rated as critical. This issue affects some unknown functionality of the component Mozilla Updater. The manipulation as part of a MAR File leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mozilla Updater in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21 does not ensure exclusive access to a MAR file, which allows local users to gain privileges by creating a Trojan horse file after MAR signature verification but before MAR use.

The weakness was shared 09/17/2013 by Seb Patane (Inferno) with Google as Mozilla Foundation Security Advisory 2013-83 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. The vendor cooperated in the coordination of the public release. The identification of this vulnerability is CVE-2013-1726 since 02/13/2013. The exploitation is known to be difficult. Attacking locally is a requirement. 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. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 70036 (Fedora 19 : firefox-24.0-1.fc19 / xulrunner-24.0-2.fc19 (2013-16992)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121578 (Avant Browser Rendering Engines Multiple Security Vulnerabilities).

Upgrading to version 24.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70036), SecurityFocus (BID 62447†), OSVDB (97397†), Secunia (SA54821†) and Vulnerability Center (SBV-41544†). mozilla.org is providing further details. The entries VDB-10400, VDB-10401, VDB-10402 and VDB-10403 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Firefox 23.0.1
  • Thunderbird 23.0
  • Firefox ESR 17.0.8
  • Thunderbird ESR 17.0.8
  • SeaMonkey 2.21

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.0
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70036
Nessus Name: Fedora 19 : firefox-24.0-1.fc19 / xulrunner-24.0-2.fc19 (2013-16992)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803605
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities-01 Sep13 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox/Thunderbird 24.0

Timelineinfo

02/13/2013 🔍
09/17/2013 +216 days 🔍
09/17/2013 +0 days 🔍
09/17/2013 +0 days 🔍
09/17/2013 +0 days 🔍
09/17/2013 +0 days 🔍
09/18/2013 +1 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/24/2013 +6 days 🔍
05/25/2021 +2800 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Mozilla Foundation Security Advisory 2013-83
Researcher: Seb Patane (Inferno)
Organization: Google
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1726 (🔍)
GCVE (CVE): GCVE-0-2013-1726
GCVE (VulDB): GCVE-100-10439

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 62447 - RETIRED: Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2013-76 through -92 Multiple Vulnerabilities
Secunia: 54821 - Cyberfox Multiple Vulnerabilities, Highly Critical
OSVDB: 97397
Vulnerability Center: 41544 - Mozilla Firefox, Thunderbird and Seamonkey Local Code Execution Vulnerability (CVE-2013-1726), Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/24/2013 12:05
Updated: 05/25/2021 18:53
Changes: 09/24/2013 12:05 (91), 01/31/2018 09:55 (5), 05/25/2021 18:53 (2)
Complete: 🔍
Committer:
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!