Portofino up to 5.2.0 JSON Web Token signature verification
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Portofino up to 5.2.0. This issue affects some unknown processing of the component JSON Web Token Handler. The manipulation results in signature verification. This vulnerability is identified as CVE-2021-29451. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability was found in Portofino up to 5.2.0. It has been classified as critical. Affected is an unknown function of the component JSON Web Token Handler. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 04/17/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-29451. The technical details are unknown and an exploit is not available.
Upgrading to version 5.2.1 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.
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Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
NVD Base Score: 🔍
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: Portofino 5.2.1
Patch: github.com
Timeline
03/30/2021 🔍04/17/2021 🔍
04/17/2021 🔍
04/28/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-29451 (🔍)
GCVE (CVE): GCVE-0-2021-29451
GCVE (VulDB): GCVE-100-173166
Entry
Created: 04/17/2021 09:16Updated: 04/28/2021 06:08
Changes: 04/17/2021 09:16 (37), 04/23/2021 06:53 (6), 04/23/2021 06:57 (1), 04/28/2021 06:08 (7)
Complete: 🔍
Cache ID: 216::103
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