ZCFees Transaction currPeriodIdx/lastPeriodExecIdx integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ZCFees. Affected by this vulnerability is an unknown functionality of the component Transaction Handler. This manipulation of the argument currPeriodIdx/lastPeriodExecIdx causes integer underflow. This vulnerability is registered as CVE-2020-24837. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ZCFees (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Transaction Handler. The manipulation of the argument currPeriodIdx/lastPeriodExecIdx with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 02/11/2021. It is possible to read the advisory at etherscan.io. This vulnerability is known as CVE-2020-24837. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/28/2020 🔍
02/11/2021 +167 days 🔍
02/11/2021 +0 days 🔍
02/27/2021 +16 days 🔍

Sourcesinfo

Advisory: etherscan.io
Status: Confirmed

CVE: CVE-2020-24837 (🔍)
GCVE (CVE): GCVE-0-2020-24837
GCVE (VulDB): GCVE-100-169675

Entryinfo

Created: 02/11/2021 07:36
Updated: 02/27/2021 15:17
Changes: 02/11/2021 07:36 (36), 02/27/2021 15:13 (5), 02/27/2021 15:17 (18)
Complete: 🔍
Cache ID: 216::103

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