Mozilla Firefox up to 40 Javascript SavedStacks privileges management

CVSS Meta Temp Score
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6.4$0-$5k0.00

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) and Tenable (86079). See 78020, 78022, 78023 and 78024 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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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: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 41.0

Timelineinfo

06/10/2015 🔍
09/22/2015 +104 days 🔍
09/22/2015 +0 days 🔍
09/24/2015 +2 days 🔍
09/24/2015 +0 days 🔍
09/24/2015 +0 days 🔍
09/25/2015 +1 days 🔍
06/19/2022 +2458 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: USN-2743-1
Researcher: Francisco Alonso (Felix)
Organization: NowSecure
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4507 (🔍)
X-Force: 106633 - Mozilla Firefox SavedStacks code execution
SecurityTracker: 1033640
Vulnerability Center: 52927 - Mozilla Firefox before 41 Remote DoS when Using Debugger with SavedStacks in JavaScript, Medium
SecurityFocus: 76815 - Mozilla Firefox Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/25/2015 17:57
Updated: 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: 🔍

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