Leafkit up to 1.2.x Content Security Policy cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Leafkit up to 1.2.x. Affected is an unknown function of the component Content Security Policy Handler. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2021-37634. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability classified as problematic has been found in Leafkit up to 1.2.x. Affected is an unknown function of the component Content Security Policy Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.
The weakness was disclosed 08/10/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-37634. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.
Upgrading to version 1.3.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Leafkit 1.3.0
Patch: github.com
Timeline
07/29/2021 🔍08/10/2021 🔍
08/10/2021 🔍
08/14/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-37634 (🔍)
GCVE (CVE): GCVE-0-2021-37634
GCVE (VulDB): GCVE-100-180432
Entry
Created: 08/10/2021 10:50Updated: 08/14/2021 20:45
Changes: 08/10/2021 10:50 (38), 08/14/2021 20:37 (3), 08/14/2021 20:45 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.