PT-2021-11885 · Loopring · Loopring

Published 2021-01-03 · Updated 2021-07-21 · CVE-2020-35962

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions: Loopring (LRC) (affected versions not specified)

Description: The issue concerns a lack of access control in the sellTokenForLRC function within the vault protocol of the Loopring smart contract implementation. This lack of control allows for price manipulation due to unregulated fee swapping.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2020-35962

Affected Products

Loopring

References · 4

• 🔥 https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-35962 · Security Note
• https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171 · Note
• https://t.me/cvenotify/8118 · Telegram Post