The rUSDY.transferFrom function can cause reentrancy if is a contract been approved

Lines of code Vulnerability details Impact The rUSDY.transferFrom function can cause reentrancy if is a contract been approved, the function looks like: function transferFrom address sender, address recipient, uint256 amount public returns bool uint256 currentAllowance = allowancessendermsg.sende...

Updating closed ranges with overrideRange() causes incorrect prevRangeClosePrice.

Lines of code Vulnerability details Impact Incorrect starting prices for ranges Incorrect historical price derivations Loss of accurate price data history Proof of Concept updating closed ranges with overrideRange can cause an incorrect prevRangeClosePrice value. Here is a more detailed...

_execute can be reorder a batch of commands while executing

Lines of code Vulnerability details Impact Lets see what is written in by Axelar: AxelarGatewayMultisig.execute takes a signed batch of commands. Each command has a corresponding commandID. This is guaranteed to be unique from the Axelar network. execute intentionally allows retrying a commandID ...

All the funds will be lost if the destination bridge is paused

Lines of code Vulnerability details Impact Destination bridge is pausable, so if for a chain a destination bridge is paused, all the funds being bridged from different source bridges from different chains will be lost. Proof of Concept Destination bridge inherits from the openzeppelin pausable.so...

Precision Error in getPrice due to Omission of Last Day's Interest

Lines of code Vulnerability details The code attempts to calculate the price based on the interest from the previous day by using range.end - 1. However, if the last day represented by range.end has fully passed, the interest for this day is never taken into account. Over time, these slight...

Loss of token if a smart contract perform a cross-chain transfer using source bridge

Lines of code Vulnerability details Impact Loss of a token ownership if a smart contract perform a cross-chain transfer using source bridge Proof of Concept When a caller call burnAndCallAxelar, the token is burnt on source chain and the payload is encoded in this way: bytes memory payload =...

Critical Reentrancy Vulnerability in _mintIfThresholdMet Function

Lines of code Vulnerability details Impact The mintIfThresholdMet function contains a severe reentrancy vulnerability that can be exploited by malicious contracts. When the TOKEN.mint function is called and tokens are minted for txn.sender, the txn.amount is subsequently set to 0 by deleting...

Maybe you get the same txnHash for different transactions in DestinationBridge._execute()

Lines of code Vulnerability details Impact DestinationBridge.execute is a function that is executed when contract is called by Axelar Gateway -L114. The function calculates bytes32 txnHash = keccak256payload. txnHash is calculated based on payload. However, srcChain is not taken into account in...

The user will receive more/less funds when calling unwrap() if the price of USDY falls/rises than expected

Lines of code Vulnerability details Impact There is a wrap function called by users to wrap their USDY tokens . In the future, to withdraw tokens, the user calls the unwrap function . However, in the unwrap function, the user can have more funds in case the price of USDY falls. Based on the case...

Rounding in the unwrap function in rUSDY may cause fund loss for users.

Lines of code Vulnerability details Impact Rouding with BPSDENOMINATOR in function unwrap in rUSDY.sol may cause users to be transfered back less than expected USDY. POC The rUSDY.sol contract provides a way to wrap an amount of USDY as shares in order to gain profit in rUSDY. This is done throug...

In case of accrual of additional income for holding rUSDY tokens, the protocol is subject to a flashloan attack

Lines of code Vulnerability details Impact rUSDY is the rebasing variant of USDY token, and is heavily based on other rebasing tokens such as stETH. Users are able to acquire rUSDY tokens by calling the wrapuint256 function on the contract. Where as the price of a single USDY token varies over...

CVE-2023-4015

A use-after-free flaw was found in the Linux kernel's netfilter: nftables component, which can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nftimmediatedeactivate can unbind the chain and objects can be...

CVE-2023-3777

A use-after-free flaw was found in the Linux kernel's netfilter: nftables component, which can be exploited to achieve local privilege escalation. When nftablesdelrule is flushing table rules, it is not checked whether the chain is bound, and the chain's owner rule can release the objects in...

CISA Releases Update to Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells

The Cybersecurity and Infrastructure Security Agency CISA has released an update to a previously published Cybersecurity Advisory CSA, Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The CSA—originally released to warn network defenders of critical infrastructure organizations...

medialabs.asia Cross Site Scripting vulnerability OBB-3651658

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...

CVE-2022-48174

A vulnerability was found in the BusyBox package. This issue occurs via a stack overflow vulnerability in ash.c in BusyBox, which may allow arbitrary code execution. Mitigation Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product...

The quorum calculation in the _quorumReached() function is inconsistent and could allow abstain votes to prevent a proposal from reaching quorum even if most participating voters are in favor

Lines of code Vulnerability details Impact This allows abstain voters to effectively veto a proposal, even if most participating voters approve it. Proof of Concept The quorum numerator and denominator are inconsistent. The quorum uses totalVotes for the denominator which includes abstains. But t...

Calculating slippage from price oracle is not accurate

Lines of code Vulnerability details Impact calculating slippage using oracle prices will lead to inaccurate slippage values , due to this swaps will fail or execute with higher slippage. Proof of Concept In curveSwap function of RdpxV2Core contract slippage is being calculated using oracles price...

LastRewardRound is sometimes not checkpointed for Delegators

Lines of code Vulnerability details Impact lastRewardRound is not updated/checkpointed for delegators when transcoder changes state. This results in incorrect rewards and votes. It also violates this checkpointing condition specified by the technical specification: Quote: "In practical terms, it...

Flashloan/Sandwich Attacks on UpdateFunding()

Lines of code Vulnerability details Impact The attacker can launch a sandwich/flashloan attack on the updateFunding function to gain most of the reward. Proof of Concept 1. The attacker observed that some reward is going to be distributed via updateFunding function. 2. The attacker borrowed...