ALEX mintToken Smart Contract integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in ALEX. This vulnerability affects the function mintToken. This manipulation as part of Smart Contract causes integer overflow. This vulnerability appears as CVE-2018-13162. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in ALEX (version now known) and classified as critical. Affected by this vulnerability is the function mintToken. The manipulation as part of a Smart Contract leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The mintToken function of a smart contract implementation for ALEX, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

The bug was discovered 07/04/2018. The weakness was presented 07/05/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-13162 since 07/04/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-120336, VDB-120337, VDB-120338 and VDB-120339 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / 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: no mitigation known
Status: 🔍

Timelineinfo

07/04/2018 🔍
07/04/2018 +0 days 🔍
07/04/2018 +0 days 🔍
07/05/2018 +1 days 🔍
07/05/2018 +0 days 🔍
02/25/2020 +600 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-13162 (🔍)
GCVE (CVE): GCVE-0-2018-13162
GCVE (VulDB): GCVE-100-120343
See also: 🔍

Entryinfo

Created: 07/05/2018 12:35
Updated: 02/25/2020 11:11
Changes: 07/05/2018 12:35 (56), 02/25/2020 11:11 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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