Google Chrome prior 88.0.4324.182 on Linux Data Transfer buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Google Chrome on Linux. Affected by this issue is some unknown functionality of the component Data Transfer Handler. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2021-21149. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability classified as critical was found in Google Chrome on Linux (Web Browser). Affected by this vulnerability is some unknown processing of the component Data Transfer Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 02/23/2021. The advisory is shared at crbug.com. This vulnerability is known as CVE-2021-21149. 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 $5k-$25k at the moment (estimation calculated on 03/04/2021). It is expected to see the exploit prices for this product increasing in the near future.
Upgrading to version 88.0.4324.182 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.google.com/
- Product: https://www.google.com/chrome/
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / 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: 🔍
0-Day Time: 🔍
Upgrade: Chrome 88.0.4324.182
Timeline
12/21/2020 🔍02/23/2021 🔍
02/23/2021 🔍
03/04/2021 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: crbug.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-21149 (🔍)
GCVE (CVE): GCVE-0-2021-21149
GCVE (VulDB): GCVE-100-170281
Entry
Created: 02/23/2021 08:07Updated: 03/04/2021 12:46
Changes: 02/23/2021 08:07 (42), 03/04/2021 12:42 (5), 03/04/2021 12:46 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.