CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability was found in Mozilla Firefox up to 47 (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Marquee Tag Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, and integrity.
The weakness was shared 08/02/2016 by Nikita Arykov with Zero Day Initiative as MFSA 2016-76 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2016-5262 since 06/03/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The advisory points out:
Security researcher Nikita Arykov reported that JavaScript event handler attributes on a <marquee> tag will execute inside a sandboxed iframe that does not have the allow-scripts flag set. This could result in a cross-site scripting (XSS) vulnerability in a site that depends on the iframe sandbox for sanitization and does no other content filtering.
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 157233 (Oracle Enterprise Linux Security Update for firefox (ELSA-2016-1551)).
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 vulnerability database at Tenable (92785). The entries 90424, 90425, 90426 and 90427 are related to this item.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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: 65178
OpenVAS Name: Mozilla Firefox Esr Security Updates( mfsa_2016-62_2016-84 )-MAC OS X
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 48
Timeline
06/03/2016 🔍08/02/2016 🔍
08/02/2016 🔍
08/02/2016 🔍
08/03/2016 🔍
08/04/2016 🔍
08/04/2016 🔍
08/08/2016 🔍
09/09/2022 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2016-76
Researcher: Nikita Arykov
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-5262 (🔍)
OVAL: 🔍
SecurityTracker: 1036508
SecurityFocus: 92258 - Mozilla Firefox Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 08/04/2016 09:21Updated: 09/09/2022 17:49
Changes: 08/04/2016 09:21 (75), 03/16/2019 21:46 (13), 09/09/2022 17:49 (3)
Complete: 🔍
Cache ID: 3:D4F:103
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