Fielcoin Lotus BLS Signature Validation VerifyCompressed signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Fielcoin Lotus. This issue affects the function VerifyCompressed of the component BLS Signature Validation. Performing a manipulation results in signature verification. This vulnerability was named CVE-2021-21405. The attack may be initiated remotely. In addition, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Fielcoin Lotus (affected version not known). This affects the function VerifyCompressed of the component BLS Signature Validation. 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 integrity.

The weakness was presented 04/16/2021. The advisory is shared at gist.github.com. This vulnerability is uniquely identified as CVE-2021-21405. Technical details and a public exploit are known.

The exploit is shared for download at gist.github.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/22/2020 🔍
04/16/2021 +114 days 🔍
04/16/2021 +0 days 🔍
04/21/2021 +5 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-21405 (🔍)
GCVE (CVE): GCVE-0-2021-21405
GCVE (VulDB): GCVE-100-173133
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/16/2021 03:07
Updated: 04/21/2021 16:24
Changes: 04/16/2021 03:07 (42), 04/21/2021 16:21 (2), 04/21/2021 16:24 (1)
Complete: 🔍
Cache ID: 216::103

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