SwftCoin mintToken integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in SwftCoin. This vulnerability affects the function mintToken. Executing a manipulation can lead to integer overflow. The identification of this vulnerability is CVE-2018-18666. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in SwftCoin (affected version not known). This vulnerability affects the function mintToken. The manipulation with an unknown input 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. CVE summarizes:

The mintToken function of SwftCoin (SWFTC) aka SwftCoin, 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 11/30/2018. The weakness was shared 12/28/2018 (Website). The advisory is available at etherscan.io. This vulnerability was named CVE-2018-18666 since 10/26/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k.

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

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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

AVACAuCIA
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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: 🔍

0-Day Time: 🔍

Timelineinfo

10/26/2018 🔍
11/30/2018 +35 days 🔍
12/28/2018 +28 days 🔍
12/28/2018 +0 days 🔍
12/29/2018 +1 days 🔍
04/24/2020 +482 days 🔍

Sourcesinfo

Advisory: etherscan.io
Status: Not defined

CVE: CVE-2018-18666 (🔍)
GCVE (CVE): GCVE-0-2018-18666
GCVE (VulDB): GCVE-100-128494

Entryinfo

Created: 12/29/2018 17:20
Updated: 04/24/2020 20:16
Changes: 12/29/2018 17:20 (55), 04/24/2020 20:16 (1)
Complete: 🔍
Cache ID: 216::103

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