CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox OS up to 2.1 and classified as critical. This vulnerability affects the function SharedBufferManagerParent::RecvAllocateGrallocBuffer. Executing a manipulation of the argument size with the input -1 can lead to numeric error. This vulnerability appears as CVE-2015-5962. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox OS up to 2.1 (Web Browser). It has been declared as critical. This vulnerability affects the function SharedBufferManagerParent::RecvAllocateGrallocBuffer. The manipulation of the argument size with the input value -1 leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Integer signedness error in the SharedBufferManagerParent::RecvAllocateGrallocBuffer function in the buffer-management implementation in the graphics layer in Mozilla Firefox OS before 2.2 might allow attackers to cause a denial of service (memory corruption) via a negative value of a size parameter.

The weakness was presented 08/08/2015 (Website). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2015-5962 since 08/07/2015. 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.

Upgrading to version 2.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76253†) and Vulnerability Center (SBV-51798†). See VDB-76947, VDB-76946 and VDB-76944 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox OS

Version

• 2.0
• 2.1

License

• open-source

Website

• Vendor: https://www.mozilla.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Firefox OS 2.2

Timelineinfo

08/06/2015 🔍
08/07/2015 +1 days 🔍
08/07/2015 +0 days 🔍
08/07/2015 +0 days 🔍
08/08/2015 +1 days 🔍
08/08/2015 +0 days 🔍
08/09/2015 +1 days 🔍
10/01/2017 +784 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5962 (🔍)
GCVE (CVE): GCVE-0-2015-5962
GCVE (VulDB): GCVE-100-76948
SecurityFocus: 76253 - Mozilla Firefox OS Graphics Buffer Management Memory Corruption Vulnerability
Vulnerability Center: 51798 - Mozilla Firefox OS before 2.2 Remote Bypass Restrictions via the USB Interface, Low

See also: 🔍

Entryinfo

Created: 08/08/2015 18:10
Updated: 10/01/2017 20:21
Changes: 08/08/2015 18:10 (53), 10/01/2017 20:21 (10)
Complete: 🔍
Cache ID: 216:ACF:103

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