Mozilla Firefox up to 46 CSS Pseudo-Class Plugin information disclosure

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 46. Affected is an unknown function of the component CSS Pseudo-Class Handler. The manipulation results in information disclosure (Plugin). This vulnerability is known as CVE-2016-2832. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 46 (Web Browser). It has been classified as critical. Affected is an unknown functionality of the component CSS Pseudo-Class Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Plugin). 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, integrity, and availability. CVE summarizes:

Mozilla Firefox before 47.0 allows remote attackers to discover the list of disabled plugins via a fingerprinting attack involving Cascading Style Sheets (CSS) pseudo-classes.

The weakness was published 06/13/2016 (Website). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2016-2832 since 03/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 91589 (openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-714)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196493 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-2993-1)).

Upgrading to version 47.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91589). Similar entries are available at VDB-87889, VDB-87890, VDB-87895 and VDB-87898. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Plugin
Class: Information disclosure / Plugin
CWE: CWE-200 / CWE-284 / CWE-266
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: 91589
Nessus Name: openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-714)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54508
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2016-49_2016-61 )-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 47.0

Timelineinfo

03/01/2016 🔍
06/11/2016 +102 days 🔍
06/13/2016 +2 days 🔍
06/13/2016 +0 days 🔍
06/14/2016 +1 days 🔍
06/14/2016 +0 days 🔍
08/23/2022 +2261 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: USN-2993-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2832 (🔍)
GCVE (CVE): GCVE-0-2016-2832
GCVE (VulDB): GCVE-100-87900
SecurityTracker: 1036057

See also: 🔍

Entryinfo

Created: 06/14/2016 09:11
Updated: 08/23/2022 14:21
Changes: 06/14/2016 09:11 (65), 01/19/2019 16:24 (11), 08/23/2022 14:21 (4)
Complete: 🔍
Cache ID: 216:666:103

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