Suggestion : To add explicit check for no of epochs to be 255 in createPromotion and extendPromotion

Handle 0x421f Vulnerability details So we are using uint256 to store 1/0 if that epoch is being claimed or not uint2561 is our base, so 255 is max limit we have now if someone creates a promotion with 255 epochs in epochs 255 , it will revert with "TypeError : Invalid Rational Number" Copied from...

After a promotion is cancelled, not claimed rewards are stuck

Handle 0x0x0x Vulnerability details After a promotion is cancelled using cancelPromotion, not awarded rewards for remaining epochs are sent to an address given by promotion creator. Awarded rewards not claimed by users stay in the contract. Since the promotion is deleted from promotions, users...

TwabRewards: fee on transfer token as promotion token can make claimRewards() fail

Handle GiveMeTestEther Vulnerability details Impact If the rewards creator sets a token that applies transfer fees for the promotion token, users won't be able to claim some of their rewards because the claimRewards uses calculateRewardAmount that assumes for each epoch there are...

getRemainingRewards might fail unexpectedly

Handle certora Vulnerability details getRemainingRewards might fail unexpectedly. getRemainingRewards calls getRemainingRewards which calls getCurrentEpochId: function getCurrentEpochIdPromotion memory promotion internal view returns uint256 // elapsedTimestamp / epochDurationTimestamp return...

Missing Check When Transferring Tokens Out For A Given Promotion

Handle leastwood Vulnerability details Impact The claimRewards function is called upon by ticket holders who parse a set of epochIds they wish to claim rewards on. An internal call is made to calculateRewardAmount to calculate the correct reward amount owed to the user. Subsequently, the...

If a promoter cancels a promotion, unclaimed rewards of ticket holders are lost

Handle hubble Vulnerability details Impact Loss of rewards for the ticket holders who have not yet claimed the rewards accrued until the previous epocs, if the promoter cancels the promotion after any epoch. Proof of Concept contract : TwabRewards function : cancelPromotion line 132 delete...

TwabRewards: fee on transfer token as promotion token will block at least one epoch reward claim

Handle GiveMeTestEther Vulnerability details Impact If the promotion token applies transfer fees, the total amount to claim will be less than "tokensPerEpoch numberOfEpochs" bcs a part of this amount is the fee = funds + fee, but only the "funds" can be withdrawn but the calculation in...

Possibility to drain TwabRewards smart contract tokens (even with valid ticket)

Handle kemmio Vulnerability details Impact Possibility to drain all smart contract assets abusing uint256 overflow in updateClaimedEpoch Proof of Concept The vulnerability arises because of uint256 overflow in updateClaimedEpoch return userClaimedEpochs | uint2561 The attacker needs to have in...

createPromotion() Lack of input validation for _epochDuration can potentially freeze promotion creator's funds

Handle WatchPug Vulnerability details function createPromotion address ticket, IERC20 token, uint216 tokensPerEpoch, uint32 startTimestamp, uint32 epochDuration, uint8 numberOfEpochs external override returns uint256 requireTicketticket; uint256 nextPromotionId = latestPromotionId + 1;...

Can drain any promotion rewards

Handle gzeon Vulnerability details Impact There are no checks to make sure epochId const promotionId = 1; const wallet2Amount = toWei'750'; const wallet3Amount = toWei'250'; await ticket.mintwallet2.address, wallet2Amount; await ticket.connectwallet2.delegatewallet2.address; await...

TwabRewards: fee on transfer token as promotion token can make claimRewards() & cancelPromotion() fail

Handle GiveMeTestEther Vulnerability details Vulnerability details Impact If the rewards creator sets a token that applies transfer fees for the promotion token, users won't be able to claim some of their rewards because the claimRewards uses calculateRewardAmount that assumes for each epoch ther...

getRemainingRewards() Malfunction for unstarted promotions

Handle WatchPug Vulnerability details For unstarted promotions, cancelPromotion will revert at block.timestamp - promotion.startTimestamp in getCurrentEpochId. Call stack: getRemainingRewards - getRemainingRewards - getCurrentEpochId. function getCurrentEpochIdPromotion memory promotion internal...

Promotion creator can't cancel promotion before it has begun

Handle kenzo Vulnerability details If a promotion creator has created a promotion for the future, and decides to cancel it, he can not do so due to an underflow in a calculation. Impact Promotion creator funds will be locked until promotion begins. Proof of Concept Promotion's startTimestamp is...

Citrix Provisioning Services - vDisk Version Promotion Results In Failed Boot

After a vDisk version promotion Target Devices cannot successfully boot from the version. The Target might BSOD or hang at the UEFI splash screen. The vDisk version promotion prior to attempting to boot a device may appear to take a long time or cause a console error. The Provisioning servers fro...

WUZHI CMS SQL Injection Vulnerability (CNVD-2021-99301)

WUZHI CMS Five Fingers CMS is a high-performance open source content management system that supports the LNAMP architecture, suitable for portals, corporate websites, mobile sites, microsoft promotion. WUZHI CMS version 4.1.0 has a SQL injection vulnerability. The attacker can use the keywords...

WUZHI CMS SQL Injection Vulnerability (CNVD-2021-99300)

WUZHI CMS Five Fingers CMS is a high-performance open source content management system that supports LNAMP architecture, suitable for portals, enterprise websites, mobile sites, microsoft promotion. Attackers can use the keywords parameter in coreframe/app/promote/admin/index.php vulnerability fo...

McDonald’s Email Blast Includes Password to Monopoly Game Database

McDonald’s UK Monopoly VIP game kicked off at the end of August, and a recent round of emails sent to winners of the game’s various prizes included more than a coupon for free fries. The franchise accidentally inserted passwords for a McDonald’s server that hosted information tied to the UK...

SQL Injection Vulnerability in Hubei Dapeng Network Technology Co.

Hubei Dapeng Network Technology Co., Ltd. is a network technology company mainly focusing on website construction, network promotion, 400 telephone, public number development, small program construction, WeChat marketing, software system, network engineering and so on. Hubei Roc Network Technolog...

SQL Injection Vulnerability in Website Construction System of Guangzhou Daxun Yunshang Network Technology Co.

Guangzhou Daxun Yunshang Network Technology Co., Ltd. is a company mainly engaged in enterprises and institutions of Internet application services, website construction, mobile station, micro letter platform depth development, SEO website optimization and promotion of business. Guangzhou Daxun...

SUSE SLES11 Security Update : xen (SUSE-SU-2020:14444-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14444-1 advisory. - Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated...