VDB-119848 · CVE-2018-12062 · GCVE-0-2018-12062

SwftCoin Ethereum ERC20 Token sell sellPrice access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in SwftCoin. This vulnerability affects the function sell of the component Ethereum ERC20 Token Handler. Executing a manipulation of the argument sellPrice as part of Smart Contract can lead to access control. This vulnerability appears as CVE-2018-12062. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in SwftCoin (affected version unknown) and classified as critical. This vulnerability affects the function sell of the component Ethereum ERC20 Token Handler. The manipulation of the argument sellPrice as part of a Smart Contract leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The sell function of a smart contract implementation for SwftCoin (SWFTC), a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka the "tradeTrap" issue.

The bug was discovered 06/12/2018. The weakness was presented 06/25/2018 (Website). The advisory is shared for download at peckshield.com. This vulnerability was named CVE-2018-12062 since 06/08/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 13 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.

See VDB-119847, VDB-119849, VDB-119850 and VDB-119851 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

SwftCoin

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/08/2018 🔍
06/12/2018 +4 days 🔍
06/25/2018 +12 days 🔍
06/25/2018 +0 days 🔍
06/25/2018 +0 days 🔍
02/21/2020 +606 days 🔍

Sourcesinfo

Advisory: peckshield.com
Status: Not defined

CVE: CVE-2018-12062 (🔍)
GCVE (CVE): GCVE-0-2018-12062
GCVE (VulDB): GCVE-100-119848
See also: 🔍

Entryinfo

Created: 06/25/2018 21:54
Updated: 02/21/2020 15:57
Changes: 06/25/2018 21:54 (58), 02/21/2020 15:57 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.