schiphol.dutchplanespotters.nl Cross Site Scripting vulnerability OBB-2866199

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

onderdeboompjes.nl Cross Site Scripting vulnerability OBB-2858418

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Incorrect payout calculation due to a division before multiplication

Lines of code Vulnerability details Impact Reverse dutch auction price is calculated incorrectly Proof of Concept In the function calcPayout which calculates reverse dutch auction according to the formula inkOut = artIn / totalArt totalInk p + 1 - p t t is always zero because you divide before...

Upgraded Q -> M from 225 [1655746069175]

Judge has assessed an item in Issue 225 as Medium risk. The relevant finding follows: C4-010 : The Dutch Auction Parameters Can be Manipulated By Owner After The Auction Started - LOW Impact - LOW Dutch Auction parameters can be changed by a malicious owner, after It is started. The malicious own...

schiphol.dutchplanespotters.nl Cross Site Scripting vulnerability OBB-2652621

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

schiphol.dutchplanespotters.nl Cross Site Scripting vulnerability OBB-2647951

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

getDutchAuctionStrike () will return an unfavourable output for seller

Lines of code Vulnerability details Impact The protocol depends on the mentioned function decrementing to 0 or to the reserveStrikeif any is set by the seller of the option. After testing the efficiency of of getDutchAuctionStrike , it will return a value lower than the reserveStrike 2-3hrs prior...

Loss of asset due to improperly setting dutchAuctionReserveStriked

Lines of code Vulnerability details The Option writer Victim believes they will be writing a call option, but ends up selling their asset at a discount. Proof of Concept If dutchAuctionReserveStrike is improperly set, the writer is effectively writing a call option that is immediately in the mone...

Inefficiency in the Dutch Auction due to lower duration

Lines of code Vulnerability details The vulnerability or bug is in the implementation of the function getDutchAuctionStrike The AUCTIONDURATION is defined as 24 hours, and consider that the dutchAuctionReserveStrike or reserveStrike will never be set to 0 by user. Now if a vault is created with...

Arbitrage Bots Could Extract Value From Buyer of Call Options

Lines of code Vulnerability details Impact Arbitrage bots could monitor the Cally contract and the price of the underlying asset being auctioned for all vaults that have outstanding call options, and whenever the underlying asset price rises above the strike price of the outstanding call option,...

A malicious actor can cause DoS with Block Gas Limit and destroy the sale flow also having advantage of buying cheaper price

Lines of code Vulnerability details Impact A malicious actor can cause DoS with Block Gas Limit and mint NFT's on cheaper price as the price drop is in action or destroy the sale flow. Proof of Concept Each block has an upper bound on the amount of gas that can be spent, and thus the amount...

NFT's can be bought to lowestprice even the final price is closed over the lowestprice

Lines of code Vulnerability details Impact NFT's can be bought to lowestprice even the final price is closed over the lowestprice Proof of Concept Say the 8000 NFT's are not sold at the bidSummon phase and optimistically the finalprice will be closed above the lowestprice of 0,6 ETH. A malicious...

Dutch Auction fails when maxDaSupply is not reached

Lines of code Vulnerability details Impact Dutch Auction fails when maxDaSupply is not reached Proof of Concept Dutch Auction should update finalPrice every time price decreases. However, currently fianlPrice is updated only when auction reaches full supply reserved for auction phase. 1. Alice bu...

KONGA elevation of privilege vulnerability

KONGA is a full-featured open source, multi-user GUI from Dutch individual developer Panagis Tselentis. version 0.14.9 of KONGA contains an elevation of privilege vulnerability that could be exploited by attackers to gain full administrative access...

Possible frontrun on deposits on LiquidityPool

Lines of code Vulnerability details Impact Rewards are given to a user for depositing either ERC20 tokens or their native token into the LiquidityPool. This reward is used to incentivize users to deposit funds into the liquidity pool when the pool is not in an equilibrium state. For regular users...

dutch-customs.nl Improper Access Control vulnerability OBB-2422435

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

dutcharchtopguitarmuseum.nl Improper Access Control vulnerability OBB-2422436

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

mail.dutchnews.nl Cross Site Scripting vulnerability OBB-2379295

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

ENC DataVault Encryption Issues Vulnerabilities

Enc Security Enc DataVault is a solution from the Dutch company Enc Security. Turn any Usb drive into a secure removable disk for important files. ENC DataVault suffers from an encryption issue vulnerability that stems from ENC DataVault 7.1.1W using an incorrect encryption algorithm, which can b...

uzsc.nl Cross Site Scripting vulnerability OBB-2292575

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...