Vulnerability identifier: #VU49214
Vulnerability risk: High
CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Seal Finance
Web applications /
Cryptocurrency software
Vendor: Seal Finance
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. The breed function in the smart contract implementation for Farm in Seal Finance (Seal), an Ethereum token, lacks access control and thus allows price manipulation.
Note, the vulnerability has been exploited in the wild in December 2020 and January 2021.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Seal Finance: All versions
External links
http://blocksecteam.medium.com/security-incident-on-seal-finance-fa79c27a1c3b
http://etherscan.io/address/0x33c2da7fd5b125e629b3950f3c38d7f721d7b30d
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.