Mozilla Firefox up to 50 Feed Preview information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 50 and classified as problematic. This affects an unknown function of the component Feed Preview. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2017-5382. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 50 (Web Browser) and classified as problematic. This vulnerability affects an unknown code of the component Feed Preview. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Feed preview for RSS feeds can be used to capture errors and exceptions generated by privileged content, allowing for the exposure of internal information not meant to be seen by web content. This vulnerability affects Firefox < 51.

The bug was discovered 01/24/2017. The weakness was released 01/24/2017 by Muneaki Nishimura (Alex) as MFSA 2017-01 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability was named CVE-2017-5382 since 01/13/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 97047 (Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : firefox regression (USN-3175-2)), 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 196675 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3175-1)).

Upgrading to version 51 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 (97047), SecurityFocus (BID 95763†) and SecurityTracker (ID 1037693†). Entries connected to this vulnerability are available at VDB-96001, VDB-96002, VDB-96003 and VDB-96004. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
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: 97047
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : firefox regression (USN-3175-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates(mfsa_2017-01_2017-02)-Windows
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 51

Timelineinfo

01/13/2017 🔍
01/24/2017 +11 days 🔍
01/24/2017 +0 days 🔍
01/24/2017 +0 days 🔍
01/24/2017 +0 days 🔍
01/25/2017 +1 days 🔍
01/26/2017 +1 days 🔍
02/07/2017 +12 days 🔍
06/11/2018 +488 days 🔍
08/02/2020 +783 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-01
Researcher: Muneaki Nishimura (Alex)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5382 (🔍)
GCVE (CVE): GCVE-0-2017-5382
GCVE (VulDB): GCVE-100-96016

OVAL: 🔍

SecurityFocus: 95763 - Mozilla Firefox Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5382 - Mozilla - Firefox - Information Disclosure Issue
SecurityTracker: 1037693

See also: 🔍

Entryinfo

Created: 01/26/2017 15:17
Updated: 08/02/2020 17:36
Changes: 01/26/2017 15:17 (82), 08/02/2020 17:36 (8)
Complete: 🔍
Cache ID: 216:FEC:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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