| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox up to 107. It has been declared as critical. This impacts an unknown function. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2022-46879. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 107 (Web Browser). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.
The weakness was released 12/13/2022 by Lukas Bernhard, Gabriele Svelto and Randell Jesup as Memory safety bugs fixed in Firefox 108 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:
Mozilla developers and community members Lukas Bernhard, Gabriele Svelto, Randell Jesup, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 107. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.This vulnerability is handled as CVE-2022-46879. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/15/2023).
Upgrading to version 108 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Once again VulDB remains the best 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: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
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 108
Timeline
12/09/2022 🔍12/13/2022 🔍
12/13/2022 🔍
12/19/2022 🔍
01/15/2023 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Memory safety bugs fixed in Firefox 108
Researcher: Lukas Bernhard, Gabriele Svelto, Randell Jesup
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2022-46879 (🔍)
GCVE (CVE): GCVE-0-2022-46879
GCVE (VulDB): GCVE-100-216236
Entry
Created: 12/19/2022 09:37Updated: 01/15/2023 13:33
Changes: 12/19/2022 09:37 (17), 12/19/2022 09:40 (28), 01/15/2023 13:28 (2), 01/15/2023 13:33 (11)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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