漏洞信息
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Vulnerability Title
Klever-Go: Marketplace settlement mints KLV when referral % + royalty % exceed the bid (negative seller share silently skipped)
Vulnerability Description
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, marketplace settlement in core/kapp/market/market.go reads MarketOrderData.ReferralPercentage from the listing while reading asset.Royalties.MarketPercentage live at purchase time. An asset owner can create a valid listing and then use AssetTrigger UpdateRoyalties to make the combined referral and royalty percentages exceed the bid. executeBuyMarket pays referral and royalty amounts unconditionally while computeMarketOwnerAmount silently skips a nonpositive seller remainder, allowing MarketBuy, BuyItNow, or auction Claim settlement to credit more KLV or sale currency than the buyer paid. This can create unbacked currency and corrupt token supply integrity. This issue is fixed in version 1.7.19.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Vulnerability Type
整数下溢(超界折返)
Vulnerability Title
Klever 数字错误漏洞
Vulnerability Description
Klever是Klever组织的一个高性能区块链网络,专为去中心化应用、资产管理和智能合约执行而设计。 Klever 1.7.19之前版本存在安全漏洞,该漏洞源于core/kapp/market/market.go文件中的市场结算逻辑,读取市场订单的ReferralPercentage和资产的Royalties.MarketPercentage,资产所有者可通过AssetTrigger UpdateRoyalties使合并百分比超过出价,导致结算信用超过付款,可能创建无担保货币并破坏代币供应完整性。
CVSS Information
N/A
Vulnerability Type
N/A