Mozilla Firefox up to 40 Javascript SavedStacks privileges management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox up to 40. It has been declared as critical. Impacted is the function SavedStacks of the component Javascript. Executing a manipulation can lead to privileges management.
This vulnerability appears as CVE-2015-4507. There is no available exploit.
It is recommended to upgrade the affected component.
Details
A vulnerability was found in Mozilla Firefox up to 40 (Web Browser). It has been declared as critical. This vulnerability affects the function SavedStacks of the component Javascript. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
The SavedStacks class in the JavaScript implementation in Mozilla Firefox before 41.0, when the Debugger API is enabled, allows remote attackers to cause a denial of service (getSlotRef assertion failure and application exit) or possibly execute arbitrary code via a crafted web site.
The weakness was presented 09/24/2015 by Francisco Alonso (Felix) with NowSecure (Website). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2015-4507 since 06/10/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 86079 (FreeBSD : mozilla -- multiple vulnerabilities (2d56c7f4-b354-428f-8f48-38150c607a05)), 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 168108 (OpenSuSE Security Update for MozillaFirefox (openSUSE-SU-2015:1658-1)).
Upgrading to version 41.0 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (106633), Tenable (86079), SecurityFocus (BID 76815†) and Vulnerability Center (SBV-52927†). See VDB-78020, VDB-78022, VDB-78023 and VDB-78024 for similar entries. Once again VulDB remains the best source for vulnerability data.
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: 7.3VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 86079
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (2d56c7f4-b354-428f-8f48-38150c607a05)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 803059
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Sep15 (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 41.0
Timeline
06/10/2015 🔍09/22/2015 🔍
09/22/2015 🔍
09/24/2015 🔍
09/24/2015 🔍
09/24/2015 🔍
09/25/2015 🔍
06/19/2022 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: USN-2743-1
Researcher: Francisco Alonso (Felix)
Organization: NowSecure
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-4507 (🔍)
GCVE (CVE): GCVE-0-2015-4507
GCVE (VulDB): GCVE-100-78028
X-Force: 106633 - Mozilla Firefox SavedStacks code execution
SecurityFocus: 76815 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1033640
Vulnerability Center: 52927 - Mozilla Firefox before 41 Remote DoS when Using Debugger with SavedStacks in JavaScript, Medium
See also: 🔍
Entry
Created: 09/25/2015 17:57Updated: 06/19/2022 00:52
Changes: 09/25/2015 17:57 (61), 01/03/2018 09:51 (17), 06/19/2022 00:41 (4), 06/19/2022 00:52 (1)
Complete: 🔍
Cache ID: 216:A7B:103
Once again VulDB remains the best source for vulnerability data.
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