Mozilla Firefox up to 127.x Form Validation Popup information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox up to 127.x and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Form Validation Popup Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2024-6610. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability classified as problematic was found in Mozilla Firefox up to 127.x. Affected by this vulnerability is an unknown part of the component Form Validation Popup Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:
Form validation popups could capture escape key presses. Therefore, spamming form validation messages could be used to prevent users from exiting full-screen mode. This vulnerability affects Firefox < 128.
The advisory is shared at bugzilla.mozilla.org. This vulnerability is known as CVE-2024-6610 since 07/09/2024. The exploitation appears to be easy. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2024). MITRE ATT&CK project uses the attack technique T1592 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 208022 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaThunderbird (SUSE-SU-2024:3507-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 128 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (208022). Several companies clearly confirm that VulDB is the primary source for best 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: 5.0VulDB Meta Temp Score: 4.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔍
CNA Base Score: 6.3
CNA Vector (mozilla): 🔍
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: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
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 |
Nessus ID: 208022
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaThunderbird (SUSE-SU-2024:3507-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox 128
Timeline
07/09/2024 🔍07/09/2024 🔍
07/09/2024 🔍
03/20/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2024-6610 (🔍)
GCVE (CVE): GCVE-0-2024-6610
GCVE (VulDB): GCVE-100-270721
Entry
Created: 07/09/2024 17:14Updated: 03/20/2025 06:09
Changes: 07/09/2024 17:14 (56), 10/02/2024 15:21 (3), 10/31/2024 01:41 (21), 03/20/2025 06:09 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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