Mozilla Firefox 39 MAR File memory corruption

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox 39. Affected by this vulnerability is an unknown functionality of the component MAR File Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2015-4482. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox 39 (Web Browser) and classified as critical. This issue affects an unknown functionality of the component MAR File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

mar_read.c in the Updater in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows local users to gain privileges or cause a denial of service (out-of-bounds write) via a crafted name of a Mozilla Archive (aka MAR) file.

The weakness was shared 08/11/2015 by Holger Fuhrmannek as MFSA 2015-85 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2015-4482 since 06/10/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

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 (105569), Tenable (85338) and SecurityFocus (BID 76294†). The entries VDB-77000, VDB-77001, VDB-77073 and VDB-77076 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

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: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: Firefox 40

Timelineinfo

06/10/2015 🔍
08/11/2015 +62 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/14/2015 +3 days 🔍
08/15/2015 +1 days 🔍
10/22/2024 +3356 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-85
Researcher: Holger Fuhrmannek
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4482 (🔍)
GCVE (CVE): GCVE-0-2015-4482
GCVE (VulDB): GCVE-100-77099
X-Force: 105569 - Mozilla Firefox MAR code execution
SecurityFocus: 76294 - Mozilla Firefox Out of Bounds Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1033247

See also: 🔍

Entryinfo

Created: 08/14/2015 11:47
Updated: 10/22/2024 22:28
Changes: 08/14/2015 11:47 (56), 10/08/2017 09:59 (16), 06/09/2022 15:24 (3), 06/09/2022 15:29 (1), 10/22/2024 22:28 (15)
Complete: 🔍
Cache ID: 216::103

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