Mozilla Firefox up to 54 about:webrtc XUL cross site scripting

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox up to 54 and classified as problematic. Affected is an unknown function of the component about:webrtc. The manipulation leads to cross site scripting (XUL). This vulnerability is traded as CVE-2017-7799. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Mozilla Firefox up to 54 (Web Browser) and classified as problematic. This issue affects an unknown part of the component about:webrtc. The manipulation with an unknown input leads to a cross site scripting vulnerability (XUL). Using CWE to declare the problem leads to 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. Impacted is integrity, and availability.
The bug was discovered 08/08/2017. The weakness was shared 08/08/2017 as MFSA 2017-18 as confirmed security advisory (Website). The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2017-7799 since 04/12/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 102357 (Mozilla Firefox < 55 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196882 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3391-1)).
Upgrading to version 55 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 (102357), SecurityFocus (BID 100377†) and SecurityTracker (ID 1039124†). The entries VDB-105249, VDB-105250, VDB-105251 and VDB-105252 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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
Name: XULClass: Cross site scripting / XUL
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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: 102357
Nessus Name: Mozilla Firefox < 55 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2017-18_2017-19 )-Windows
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 55
Timeline
04/12/2017 🔍08/08/2017 🔍
08/08/2017 🔍
08/08/2017 🔍
08/08/2017 🔍
08/10/2017 🔍
08/10/2017 🔍
08/12/2017 🔍
06/11/2018 🔍
01/09/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2017-18
Researcher: Frederik Braun.
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-7799 (🔍)
GCVE (CVE): GCVE-0-2017-7799
GCVE (VulDB): GCVE-100-105269
OVAL: 🔍
SecurityFocus: 100377 - Mozilla Firefox CVE-2017-7799 Cross Site Scripting Vulnerability
SecurityTracker: 1039124
See also: 🔍
Entry
Created: 08/13/2017 00:07Updated: 01/09/2021 10:32
Changes: 08/13/2017 00:07 (82), 11/06/2019 16:24 (5), 01/09/2021 10:29 (2), 01/09/2021 10:32 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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