Integer overflow in CryptoBotsBattle Ethereum token



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-17882
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CryptoBotsBattle
Web applications / Cryptocurrency software

Vendor CryptoBotsBattle

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU18012

Risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-17882

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the batchTransfer() function of a smart contract implementation for CryptoBotsBattle (CBTB). A remote attacker can create an arbitrary amount of tokens for any user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CryptoBotsBattle: 0.4.19

CPE2.3 External links

https://etherscan.io/address/0x4daa9dc438a77bd59e8a43c6d46cbfe84cd04255#code
https://github.com/GreenFoxy/Smart-contract-Vulnerabilities/blob/master/BattleToken.md


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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