CVE Vulnerability

CVE-2018-10299

An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin (BEC), the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two _receivers arguments in conjunction with a large _value argument, as exploited in the wild in April 2018, aka the "batchOverflow" issue.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://twitter.com/OKEx_/status/987967343983714304 Third Party Advisory
https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-Suspended Third Party Advisory
https://peckshield.com/2018/04/22/batchOverflow/ Exploit Third Party Advisory
https://dasp.co/#item-3 Exploit Third Party Advisory
https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/ Issue Tracking Third Party Advisory
https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30e Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:beauty:beauty_ecosystem_coin:-:*:*:*:*:*:*:*
Information

Published : 2018-04-23 04:29

Updated : 2018-08-29 03:40

NVD link : CVE-2018-10299

Mitre link : CVE-2018-10299

Products Affected
No products.
CWE
CWE-190