CVE-2021-43839
Cronos Blockchain Fee Collector Transaction Hijacking Vulnerability
Description
Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are no tested workarounds. All validator node operators are recommended to upgrade to Cronos v0.6.5 at their earliest possible convenience.
INFO
Published Date :
Dec. 21, 2021, 5:15 p.m.
Last Modified :
Jan. 5, 2022, 3:10 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-43839 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-43839
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-43839.
| URL | Resource |
|---|---|
| https://github.com/crypto-org-chain/cronos/commit/150ef237b37ac28c8136e1c0f494932860b9ebe8 | Patch Third Party Advisory |
| https://github.com/crypto-org-chain/cronos/pull/270 | Patch Third Party Advisory |
| https://github.com/crypto-org-chain/cronos/security/advisories/GHSA-f854-hpxv-cw9r | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Smart Contract Vulnerabilities (SCV) List
security solidity blockchain cryptocurrency
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-43839 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-43839 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 05, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Changed Reference Type https://github.com/crypto-org-chain/cronos/commit/150ef237b37ac28c8136e1c0f494932860b9ebe8 No Types Assigned https://github.com/crypto-org-chain/cronos/commit/150ef237b37ac28c8136e1c0f494932860b9ebe8 Patch, Third Party Advisory Changed Reference Type https://github.com/crypto-org-chain/cronos/pull/270 No Types Assigned https://github.com/crypto-org-chain/cronos/pull/270 Patch, Third Party Advisory Changed Reference Type https://github.com/crypto-org-chain/cronos/security/advisories/GHSA-f854-hpxv-cw9r No Types Assigned https://github.com/crypto-org-chain/cronos/security/advisories/GHSA-f854-hpxv-cw9r Third Party Advisory Added CWE NIST CWE-670 Added CPE Configuration OR *cpe:2.3:a:crypto:cronos:*:*:*:*:*:*:*:* versions up to (excluding) 0.6.5 *cpe:2.3:a:crypto:ethermint:*:*:*:*:*:*:*:* versions up to (excluding) 0.7.3 *cpe:2.3:a:crypto:ethermint:*:*:*:*:*:*:*:* versions from (including) 0.8.0 up to (including) 0.9.0 *cpe:2.3:a:crypto:evmos:*:*:*:*:*:*:*:* versions up to (including) 0.4.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43839 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-43839
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.01%
score
0.45240
percentile