Mozilla Firefox up to 40 TCP Socket API navigator.mozTCPSocket.open Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 40. Affected by this issue is the function navigator.mozTCPSocket.open of the component TCP Socket API. The manipulation results in information disclosure (Memory). This vulnerability is cataloged as CVE-2015-4503. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 40 (Web Browser). Affected is the function navigator.mozTCPSocket.open of the component TCP Socket API. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

The TCP Socket API implementation in Mozilla Firefox before 41.0 mishandles array boundaries that were established with a navigator.mozTCPSocket.open method call and send method calls, which allows remote TCP servers to obtain sensitive information from process memory by reading packet data, as demonstrated by availability of this API in a Firefox OS application.

The weakness was shared 09/24/2015 by Francisco Alonso (Felix) with NowSecure (Website). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2015-4503 since 06/10/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

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 (106628), Tenable (86079), SecurityFocus (BID 76815†) and Vulnerability Center (SBV-52924†). The entries VDB-78020, VDB-78022, VDB-78023 and VDB-78025 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / CWE-284 / 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 Intelligenceinfo

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

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 🔍
06/18/2022 +2458 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Researcher: Francisco Alonso (Felix)
Organization: NowSecure
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4503 (🔍)
GCVE (CVE): GCVE-0-2015-4503
GCVE (VulDB): GCVE-100-78024
X-Force: 106628 - Mozilla Firefox mozTCPSocket implementation information disclosure
SecurityFocus: 76815 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1033640
Vulnerability Center: 52924 - Mozilla Firefox before 41 Remote Information Disclosure due to Memory Leak in mozTCPSocket to Servers, Low

See also: 🔍

Entryinfo

Created: 09/25/2015 17:56
Updated: 06/18/2022 23:10
Changes: 09/25/2015 17:56 (63), 01/03/2018 09:51 (17), 06/18/2022 23:01 (3), 06/18/2022 23:10 (1)
Complete: 🔍
Cache ID: 216:D59:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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