Mozilla Firefox 39 Maintenance Service race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mozilla Firefox 39. Impacted is an unknown function of the component Maintenance Service. The manipulation leads to race condition. This vulnerability is listed as CVE-2015-4481. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox 39 (Web Browser). It has been rated as problematic. This issue affects some unknown functionality of the component Maintenance Service. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability.

The weakness was presented 08/11/2015 as MFSA 2015-84 as confirmed security advisory (Website). The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2015-4481 since 06/10/2015. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Google Security Research and been published 2 weeks after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 85338 (FreeBSD : mozilla -- multiple vulnerabilities (c66a5632-708a-4727-8236-d65b2d5b2739)), 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 168015 (OpenSuSE Security Update for MozillaFirefox (openSUSE-SU-2015:1389-1)).

Upgrading to version 40 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (105572), Exploit-DB (37925) and Tenable (85338). See VDB-77000, VDB-77073, VDB-77076 and VDB-77098 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85338
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (c66a5632-708a-4727-8236-d65b2d5b2739)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803465
OpenVAS Name: Mozilla Firefox ESR Multiple Vulnerabilities - Aug15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Firefox 40

Timelineinfo

06/10/2015 🔍
08/11/2015 +62 days 🔍
08/11/2015 +0 days 🔍
08/14/2015 +3 days 🔍
08/15/2015 +1 days 🔍
08/21/2015 +6 days 🔍
08/21/2015 +0 days 🔍
06/19/2025 +3590 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-84
Status: Confirmed

CVE: CVE-2015-4481 (🔍)
GCVE (CVE): GCVE-0-2015-4481
GCVE (VulDB): GCVE-100-77093
X-Force: 105572 - Mozilla Firefox Mozilla Maintenance Service privilege escalation
SecurityTracker: 1033247

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/14/2015 10:56
Updated: 06/19/2025 03:53
Changes: 08/14/2015 10:56 (56), 10/08/2017 09:54 (17), 06/09/2022 14:39 (4), 06/09/2022 14:43 (1), 10/22/2024 22:28 (15), 06/19/2025 03:53 (7)
Complete: 🔍
Cache ID: 216:F98:103

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