CVE-2018-12885
MyCryptoChamp Ethereum Random Number Generation (Predictable)
Description
The randMod() function of the smart contract implementation for MyCryptoChamp, an Ethereum game, generates a random value with publicly readable variables such as the current block information and a private variable, (which can be read with a getStorageAt call). Therefore, attackers can get powerful champs/items and get rewards.
INFO
Published Date :
Aug. 7, 2018, 3:29 p.m.
Last Modified :
Oct. 18, 2018, 2:40 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2018-12885 has a 3 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-2018-12885.
| URL | Resource |
|---|---|
| https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc | Third Party Advisory |
| https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430 | Third Party Advisory |
| https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df | Exploit 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).
None
None
✍️ A curated list of CVE PoCs.
awesome cve poc
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-12885 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-12885 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]
Oct. 18, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430 No Types Assigned https://etherscan.io/address/0xa44e464b13280340904ffef0a65b8a0033460430 Third Party Advisory Changed Reference Type https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc No Types Assigned https://etherscan.io/address/0x689FB61845488297dfE7586E5f7956475955d2Dc Third Party Advisory Changed Reference Type https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df No Types Assigned https://medium.com/coinmonks/get-legendary-items-by-breaking-pnrg-of-mycyptochamp-an-ethereum-online-game-cve-2018-12855-6e6beb41b8df Exploit, Third Party Advisory Added CWE CWE-338 Added CPE Configuration OR *cpe:2.3:a:mycryptochamp:mycryptochamp:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-12885 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-2018-12885
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.00%
score
0.69403
percentile