Mozilla Firefox up to 46 on Windows Maintenance Service access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox up to 46 on Windows and classified as problematic. The affected element is an unknown function of the component Maintenance Service. Such manipulation leads to access control. This vulnerability is documented as CVE-2016-2826. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 46 on Windows (Web Browser). Affected by this issue is an unknown code of the component Maintenance Service. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileges via a Trojan horse file.
The weakness was released 06/13/2016 by Jordi Chancel with Mozilla Developers (Website). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is handled as CVE-2016-2826 since 03/01/2016. The exploitation is known to be easy. The attack needs to be approached locally. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 91546 (Firefox ESR 45.x < 45.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370056 (Mozilla Firefox Multiple Vulnerabilities (MFSA 2016-49 to MFSA 2016-61)).
Upgrading to version 47.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (91546) and SecurityFocus (BID 91075†). Entries connected to this vulnerability are available at VDB-87889, VDB-87890, VDB-87891 and VDB-87892. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CNA Base Score: 7.8
CNA 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: 🔍
Physical: Partially
Local: Yes
Remote: No
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: 91546
Nessus Name: Firefox ESR 45.x < 45.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 855205
OpenVAS Name: Mozilla Firefox Esr Security Updates( mfsa_2016-49_2016-61 )-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox 47.0
Timeline
03/01/2016 🔍06/07/2016 🔍
06/07/2016 🔍
06/09/2016 🔍
06/13/2016 🔍
06/13/2016 🔍
06/14/2016 🔍
10/23/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Researcher: Jordi Chancel
Organization: Mozilla Developers
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-2826 (🔍)
GCVE (CVE): GCVE-0-2016-2826
GCVE (VulDB): GCVE-100-87896
SecurityFocus: 91075 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1036057
See also: 🔍
Entry
Created: 06/14/2016 09:11Updated: 10/23/2024 03:55
Changes: 06/14/2016 09:11 (73), 01/19/2019 16:24 (8), 08/23/2022 14:10 (4), 10/23/2024 03:55 (26)
Complete: 🔍
Cache ID: 216:ED6:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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