Seco Versatile Security Manager Ethereum ERC20 Token sell sellPrice access control

Summaryinfo

A vulnerability described as critical has been identified in Seco Versatile Security Manager. The impacted element is the function sell of the component Ethereum ERC20 Token Handler. Such manipulation of the argument sellPrice as part of Smart Contract leads to access control. This vulnerability is uniquely identified as CVE-2018-12070. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Seco Versatile Security Manager (unknown version). It has been rated as critical. Affected by this issue is 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. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The sell function of a smart contract implementation for SEC, 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 disclosed 06/25/2018 (Website). The advisory is shared for download at peckshield.com. This vulnerability is handled as CVE-2018-12070 since 06/08/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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.

The entries VDB-119847, VDB-119848, VDB-119849 and VDB-119850 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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• Seco Versatile Security Manager

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Once again VulDB remains the best source for vulnerability data.

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