Mozilla Firefox up to 53.x Reader Mode Address input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 53.x. It has been rated as problematic. This vulnerability affects unknown code of the component Reader Mode. Performing a manipulation results in input validation (Address). This vulnerability is identified as CVE-2017-7762. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 53.x (Web Browser). This affects an unknown function of the component Reader Mode. The manipulation with an unknown input leads to a input validation vulnerability (Address). CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the addressbar. This can be used for spoofing the domain of the current page. This vulnerability affects Firefox < 54.

The bug was discovered 06/13/2017. The weakness was released 06/13/2017 as MFSA 2017-15 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is uniquely identified as CVE-2017-7762 since 04/12/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 110917 (Oracle Linux 7 : firefox (ELSA-2018-2113)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196814 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3315-1)).

Upgrading to version 54.0 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 (110917), SecurityFocus (BID 99047†) and SecurityTracker (ID 1038689†). Entries connected to this vulnerability are available at VDB-102487, VDB-102488, VDB-102489 and VDB-102490. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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

Name: Address
Class: Input validation / Address
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: 110917
Nessus Name: Oracle Linux 7 : firefox (ELSA-2018-2113)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2017-15_2017-16 )-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 54.0

Timelineinfo

04/12/2017 🔍
06/13/2017 +62 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
06/14/2017 +0 days 🔍
06/11/2018 +361 days 🔍
07/05/2018 +24 days 🔍
12/28/2020 +907 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-15
Researcher: Jun Kokatsu.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7762 (🔍)
GCVE (CVE): GCVE-0-2017-7762
GCVE (VulDB): GCVE-100-102501
SecurityFocus: 99047 - Mozilla Firefox CVE-2017-7762 Address Bar Spoofing Vulnerability
SecurityTracker: 1038689

See also: 🔍

Entryinfo

Created: 06/14/2017 17:35
Updated: 12/28/2020 15:22
Changes: 06/14/2017 17:35 (82), 10/17/2019 18:53 (5), 12/28/2020 15:22 (3)
Complete: 🔍
Cache ID: 216::103

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