Mozilla Firefox up to 69.x Content Security Policy input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox up to 69.x and classified as critical. This affects an unknown function of the component Content Security Policy. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2019-17002. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 69.x (Web Browser). This affects an unknown part of the component Content Security Policy. The manipulation with an unknown input leads to a input validation vulnerability. 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:
If upgrade-insecure-requests was specified in the Content Security Policy, and a link was dragged and dropped from that page, the link was not upgraded to https. This vulnerability affects Firefox < 70.
The weakness was released 01/08/2020 as MFSA 2019-34 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2019-17002 since 09/30/2019. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/09/2020).
Upgrading to version 70.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Entries connected to this vulnerability are available at VDB-148429 and VDB-148430. Be aware that VulDB is the high quality source for vulnerability data.
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: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
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: Input validationCWE: CWE-20
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 70.0
Timeline
09/30/2019 🔍01/08/2020 🔍
01/08/2020 🔍
01/09/2020 🔍
01/09/2020 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2019-34
Status: Confirmed
CVE: CVE-2019-17002 (🔍)
GCVE (CVE): GCVE-0-2019-17002
GCVE (VulDB): GCVE-100-148431
See also: 🔍
Entry
Created: 01/09/2020 09:55Updated: 01/09/2020 10:00
Changes: 01/09/2020 09:55 (44), 01/09/2020 10:00 (18)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.