Mozilla Firefox 27.0 Update File Extraction MAR File access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox 27.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Update File Extraction Handler. The manipulation as part of MAR File leads to access control. This vulnerability is known as CVE-2014-1496. It is possible to launch the attack on the local host. There is no exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Details
A vulnerability, which was classified as critical, was found in Mozilla Firefox 27.0 (Web Browser). Affected is some unknown processing of the component Update File Extraction Handler. The manipulation as part of a MAR File leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 might allow local users to gain privileges by modifying the extracted Mar contents during an update.
The weakness was presented 03/18/2014 by Christoph Diehl (Ash) with OUSPG as MFSA2014-16 as confirmed advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2014-1496 since 01/16/2014. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:
[T]he extracted files for updates to existing files are not read only during the update process.
The vulnerability scanner Nessus provides a plugin with the ID 73111 (FreeBSD : mozilla -- multiple vulnerabilities (610de647-af8d-11e3-a25b-b4b52fce4ce8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166815 (SUSE Enterprise Linux Security Update for Mozilla Firefox (SUSE-SU-2014:0418-1)).
Upgrading to version 28 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
Fixed in: Firefox 28, Firefox ESR 24.4, Thunderbird 24.4, Seamonkey 2.25
The vulnerability is also documented in the databases at X-Force (91857), Tenable (73111), SecurityFocus (BID 66278†), SecurityTracker (ID 1029928†) and Vulnerability Center (SBV-43671†). Further details are available at bugzilla.mozilla.org. See VDB-12646, VDB-12647, VDB-12649 and VDB-12650 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Mozilla Firefox 27.0
- Mozilla Firefox ESR 24.3
- Mozilla Seamonkey 2.24
- Mozilla Thunderbird 24.3.0
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.4
VulDB Base Score: 8.4
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Nessus ID: 73111
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (610de647-af8d-11e3-a25b-b4b52fce4ce8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 803422
OpenVAS Name: Mozilla Firefox ESR Multiple Vulnerabilities-01 Mar14 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 28
Timeline
01/16/2014 🔍03/18/2014 🔍
03/18/2014 🔍
03/18/2014 🔍
03/18/2014 🔍
03/19/2014 🔍
03/19/2014 🔍
03/19/2014 🔍
03/20/2014 🔍
06/15/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA2014-16
Researcher: Christoph Diehl (Ash)
Organization: OUSPG
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-1496 (🔍)
GCVE (CVE): GCVE-0-2014-1496
GCVE (VulDB): GCVE-100-12648
OVAL: 🔍
IAVM: 🔍
X-Force: 91857 - Mozilla Firefox,Thunderbird and SeaMonkey files privilege escalation, High Risk
SecurityFocus: 66278 - RETIRED: Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2014-15 through -28 Multiple Vulnerabilities
SecurityTracker: 1029928 - Mozilla Firefox Multiple Bugs Let Local Users Gain Elevated Privileges and Remote Users Execute Arbitrary Code, Deny Service, and Obtain Information
Vulnerability Center: 43671 - Mozilla Firefox, Firefox ESR, Thunderbird and SeaMonkey Local Privilege Escalation - CVE-2014-1496, Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 03/20/2014 10:34 AMUpdated: 06/15/2021 06:49 PM
Changes: 03/20/2014 10:34 AM (87), 01/31/2018 09:52 AM (9), 06/15/2021 06:42 PM (12), 06/15/2021 06:49 PM (1)
Complete: 🔍
Cache ID: 18:A27:40
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