Vulnerability Details : CVE-2020-26800
A stack overflow vulnerability in Aleth Ethereum C++ client version <= 1.8.0 using a specially crafted a config.json file may result in a denial of service.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-26800
- cpe:2.3:a:ethereum:aleth:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26800
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26800
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-26800
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26800
-
https://ethereum.org/en/about/
About Us | ethereum.orgVendor Advisory
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https://github.com/ethereum/aleth/issues/5917
[CVE-2020-26800] Stack based buffer overflow while parsing JSON file · Issue #5917 · ethereum/aleth · GitHubExploit;Third Party Advisory
-
https://github.com/ethereum/aleth
GitHub - ethereum/aleth: Aleth – Ethereum C++ client, tools and librariesThird Party Advisory
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