Aleth Ethereum C++ Client up to 1.8.0 JSON File config.json stack-based overflow

Summaryinfo

A vulnerability has been found in Aleth Ethereum C++ Client up to 1.8.0 and classified as critical. This vulnerability affects unknown code of the file config.json of the component JSON File Handler. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2020-26800. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Aleth Ethereum C++ Client up to 1.8.0. This issue affects an unknown part of the file config.json of the component JSON File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was published 01/11/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-26800. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:config.json it is possible to find vulnerable targets with Google Hacking.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Aleth Ethereum C++ Client

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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