Grassroot Platform up to 1.3.0 JSON Web Token signature verification
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Grassroot Platform up to 1.3.0. This vulnerability affects unknown code of the component JSON Web Token Handler. This manipulation causes signature verification. The identification of this vulnerability is CVE-2021-29455. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Grassroot Platform up to 1.3.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component JSON Web Token Handler. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality.
The weakness was shared 04/20/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-29455. Neither technical details nor an exploit are publicly available.
Upgrading to version 1.3.1 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.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.6
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Signature verificationCWE: CWE-347 / CWE-345
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Platform 1.3.1
Patch: github.com
Timeline
03/30/2021 🔍04/20/2021 🔍
04/20/2021 🔍
04/23/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-29455 (🔍)
GCVE (CVE): GCVE-0-2021-29455
GCVE (VulDB): GCVE-100-173209
Entry
Created: 04/20/2021 07:05Updated: 04/23/2021 12:01
Changes: 04/20/2021 07:05 (39), 04/23/2021 11:54 (6), 04/23/2021 12:01 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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