CVE-2022-21685
Frontier ModeXP Integer Underflow Vulnerability
Description
Frontier is Substrate's Ethereum compatibility layer. Prior to commit number `8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664`, a bug in Frontier's MODEXP precompile implementation can cause an integer underflow in certain conditions. This will cause a node crash for debug builds. For release builds (and production WebAssembly binaries), the impact is limited as it can only cause a normal EVM out-of-gas. Users who do not use MODEXP precompile in their runtime are not impacted. A patch is available in pull request #549.
INFO
Published Date :
Jan. 14, 2022, 5:15 p.m.
Last Modified :
Jan. 21, 2022, 8:40 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2022-21685 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2022-21685.
| URL | Resource |
|---|---|
| https://github.com/paritytech/frontier/commit/8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664 | Patch Third Party Advisory |
| https://github.com/paritytech/frontier/pull/549 | Patch Third Party Advisory |
| https://github.com/paritytech/frontier/security/advisories/GHSA-cjg2-2fjg-fph4 | Patch 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).
test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC
cve-2020-
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-21685 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-21685 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 21, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/paritytech/frontier/commit/8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664 No Types Assigned https://github.com/paritytech/frontier/commit/8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664 Patch, Third Party Advisory Changed Reference Type https://github.com/paritytech/frontier/pull/549 No Types Assigned https://github.com/paritytech/frontier/pull/549 Patch, Third Party Advisory Changed Reference Type https://github.com/paritytech/frontier/security/advisories/GHSA-cjg2-2fjg-fph4 No Types Assigned https://github.com/paritytech/frontier/security/advisories/GHSA-cjg2-2fjg-fph4 Patch, Third Party Advisory Added CWE NIST CWE-191 Added CPE Configuration OR *cpe:2.3:a:parity:frontier:*:*:*:*:*:*:*:* versions up to (including) 2022-01-13
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-21685 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-2022-21685
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.39819
percentile