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CVE-2018-12885

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MyCryptoChamp是一款基于以太坊的区块链游戏。 MyCryptoChamp的智能合约实现中的‘randMod()’函数存在安全漏洞，该漏洞源于‘randMod()’函数生成了含有公共可读取的变量和私有变量的随机值。攻击者可利用该漏洞获取强大的champs和物品并获得奖励。

AI Predicted 6.5 Difficulty: Easy EPSS 1.39% · P71
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I. Basic Information for CVE-2018-12885

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
MyCryptoChamp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MyCryptoChamp是一款基于以太坊的区块链游戏。 MyCryptoChamp的智能合约实现中的‘randMod()’函数存在安全漏洞，该漏洞源于‘randMod()’函数生成了含有公共可读取的变量和私有变量的随机值。攻击者可利用该漏洞获取强大的champs和物品并获得奖励。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2018-12885

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III. Intelligence Information for CVE-2018-12885

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Security Blog Posts for CVE-2018-12885 (1)

Other References for CVE-2018-12885 (2)

Same Patch Batch · n/a · 2018-08-07 · 6 CVEs total

CVE-2018-5953 Linux kernel 安全漏洞
CVE-2018-5995 Linux kernel 安全漏洞
CVE-2018-15132 PHP 安全漏洞
CVE-2018-15130 ThinkSAAS 跨站脚本漏洞
CVE-2018-15129 ThinkSAAS 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2018-12885

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