Mozilla Firefox 43 on Android Stored Data URL Shortcut code

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox 43 on Android. It has been declared as critical. This vulnerability affects unknown code of the component Stored Data URL Shortcut Handler. The manipulation results in Remote Code Execution. This vulnerability was named CVE-2016-1940. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Mozilla Firefox 43 on Android (Web Browser). Affected is some unknown processing of the component Stored Data URL Shortcut Handler. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Mozilla Firefox before 44.0 on Android allows remote attackers to spoof the address bar via a data: URL that is mishandled during (1) shortcut opening or (2) BOOKMARK intent processing.

The weakness was presented 01/26/2016 by Muneaki Nishimura as MFSA2016-05 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2016-1940 since 01/19/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/06/2022). The advisory points out:

Security researcher Muneaki Nishimura reported an issue with displayed URLs and bookmarks on Firefox for Android. If a data: URL is opened from a stored shortcut on the homescreen or from a BOOKMARK intent from another installed Android application, the addressbar continues to show the data: url even if the content redirects to another page, hiding the true origin of the content. This was due to an error in how hosts were handled with data: URLs.

The vulnerability scanner Nessus provides a plugin with the ID 91379 (GLSA-201605-06 : Mozilla Products: Multiple vulnerabilities (Logjam) (SLOTH)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124615 (Mozilla Firefox Multiple Vulnerabilities (MFSA 2016-01 to MFSA 2016-12)).

Upgrading to version 44 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 (91379) and Vulnerability Center (SBV-56221†). Further details are available at bugzilla.mozilla.org. See VDB-80695, VDB-80691, VDB-92777 and VDB-92778 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
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: 91379
Nessus Name: GLSA-201605-06 : Mozilla Products: Multiple vulnerabilities (Logjam) (SLOTH)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 44

Timelineinfo

01/19/2016 🔍
01/25/2016 +6 days 🔍
01/26/2016 +0 days 🔍
01/26/2016 +0 days 🔍
01/26/2016 +0 days 🔍
01/27/2016 +0 days 🔍
01/31/2016 +4 days 🔍
05/31/2016 +120 days 🔍
07/06/2022 +2227 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2016-05
Researcher: Muneaki Nishimura
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1940 (🔍)
GCVE (CVE): GCVE-0-2016-1940
GCVE (VulDB): GCVE-100-80688
SecurityTracker: 1034825
Vulnerability Center: 56221 - Mozilla Firefox <44 on Android Remote Spoofing Vulnerability due to issue in data: URL, Medium

scip Labs: https://www.scip.ch/en/?labs.20130704
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/27/2016 13:43
Updated: 07/06/2022 12:16
Changes: 01/27/2016 13:43 (64), 07/23/2018 07:53 (20), 07/06/2022 12:16 (4)
Complete: 🔍
Cache ID: 216:D55:103

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