Mozilla Firefox up to 47 on Linux Cairo Graphics Library _cairo_surface_get_extents input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 47 on Linux. This affects the function _cairo_surface_get_extents of the component Cairo Graphics Library. Such manipulation leads to input validation. This vulnerability is listed as CVE-2016-2839. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 47 on Linux (Web Browser) and classified as critical. Affected by this issue is the function _cairo_surface_get_extents of the component Cairo Graphics Library. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability.

The weakness was presented 08/02/2016 by Bert Massop (Inferno) with Google Chrome Security Team as MFSA 2016-65 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2016-2839 since 03/01/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The advisory points out:

Security researcher Bert Massop reported a crash in the Cairo graphics layer on Linux systems using the LibAV library included in version 0.10 of the FFmpeg library. This was due to an error when allocating the LibAV header when decoding some videos.

The vulnerability scanner Nessus provides a plugin with the ID 92785 (Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : firefox vulnerabilities (USN-3044-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196543 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3044-1)).

Upgrading to version 48 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 Tenable (92785), SecurityFocus (BID 92261†) and SecurityTracker (ID 1036508†). See VDB-90424, VDB-90425, VDB-90426 and VDB-90427 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92785
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : firefox vulnerabilities (USN-3044-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65514
OpenVAS Name: SuSE Update for MozillaFirefox, mozilla-nss openSUSE-SU-2016:1964-1 (MozillaFirefox, mozilla-nss)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 48

Timelineinfo

03/01/2016 🔍
08/02/2016 +154 days 🔍
08/02/2016 +0 days 🔍
08/02/2016 +0 days 🔍
08/03/2016 +1 days 🔍
08/04/2016 +1 days 🔍
08/04/2016 +0 days 🔍
08/08/2016 +4 days 🔍
09/09/2022 +2223 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-65
Researcher: Bert Massop (Inferno)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2839 (🔍)
GCVE (CVE): GCVE-0-2016-2839
GCVE (VulDB): GCVE-100-90428
SecurityFocus: 92261 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1036508

See also: 🔍

Entryinfo

Created: 08/04/2016 09:21
Updated: 09/09/2022 16:56
Changes: 08/04/2016 09:21 (76), 03/16/2019 20:28 (14), 09/09/2022 16:56 (4)
Complete: 🔍
Cache ID: 216:54D:103

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