Stack Overflow Vulnerability in Aleth Ethereum C++ Client
CVE-2020-26800

5.5MEDIUM

Key Information:

Vendor

Ethereum

Status
Aleth
Vendor
CVE Published:
11 January 2021

What is CVE-2020-26800?

A vulnerability exists in the Aleth Ethereum C++ client versions up to and including 1.8.0, where a specially crafted config.json file can trigger a stack overflow. This may result in a denial of service, rendering the client unresponsive. Attackers could exploit this vulnerability through the manipulation of configuration files, potentially impacting the availability and functionality of Ethereum-related applications.

References

https://github.com/ethereum/aleth
x_refsource_MISC
https://ethereum.org/en/about/
x_refsource_MISC
https://github.com/ethereum/aleth/issues/5917
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-26800 : Stack Overflow Vulnerability in Aleth Ethereum C++ Client