Mozilla Firefox up to 66.x webcal: Protocol cross site scripting

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 66.x. This vulnerability affects unknown code of the component webcal: Protocol Handler. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2019-11701. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Mozilla Firefox up to 66.x (Web Browser). It has been rated as problematic. Affected by this issue is an unknown functionality of the component webcal: Protocol Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. 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. CVE summarizes:
The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. This default was left in place as a legacy feature and has now been removed. *Note: this issue only affects users with an account on the vulnerable service. Other users are unaffected.*. This vulnerability affects Firefox < 67.
The weakness was disclosed 07/23/2019. This vulnerability is handled as CVE-2019-11701 since 05/03/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 371797 (Mozilla Firefox Multiple Security Vulnerabilities (MFSA 2019-13,MFSA2019-14)).
Upgrading to version 67.0 eliminates this vulnerability.
The entries VDB-138483, VDB-138481, VDB-138480 and VDB-138478 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit 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: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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
Class: Cross site scriptingCWE: 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox 67.0
Timeline
05/03/2019 🔍07/23/2019 🔍
07/23/2019 🔍
06/06/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: mozilla.org
Status: Not defined
CVE: CVE-2019-11701 (🔍)
GCVE (CVE): GCVE-0-2019-11701
GCVE (VulDB): GCVE-100-138482
See also: 🔍
Entry
Created: 07/23/2019 21:36Updated: 06/06/2024 09:59
Changes: 07/23/2019 21:36 (39), 07/09/2020 20:32 (18), 11/06/2023 08:56 (4), 11/06/2023 09:00 (1), 06/06/2024 09:59 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.