Sql injection

Archery is an open source SQL audit platform. The Archery project contains multiple SQL injection vulnerabilities, that may allow an attacker to query the connected databases. Affected versions are subject to SQL injection in the sqlapi/apiworkflow.py endpoint ExecuteCheck which passes unfiltered...

Sql injection

Archery is an open source SQL audit platform. The Archery project contains multiple SQL injection vulnerabilities, that may allow an attacker to query the connected databases. Affected versions are subject to SQL injection in the sql/instance.py endpoint's describe method. In several cases, user...

function restructureCapTable() in Equity.sol not functioning as expected

Lines of code Vulnerability details Impact Incorrect typo in function restructureCapTable leading to only burning tokens of first address of addressToWipe array arguement. Proof of Concept Here, in L313, addressToWipe0 only takes first address of the array. While ignoring the rest and also since...

Sound adjusting of a position could fail

Lines of code Vulnerability details Impact Increasing collateral and decreasing it's liquidation price, such that with new liquidation price and old collateral position is becoming unsound, leads to a revert. Such situation can happen often, imagine position that's fully minted and has market pri...

Minter and position privileges allow unrestricted minting and burning of arbitrary tokens

Lines of code Vulnerability details Any registered minter and a position belonging to him have absolute control of minting and burning tokens on all accounts. Impact New minting mechanisms are subject to governance approval i.e. can be veto’ed. These, however, will be arbitrary contracts with...

Unrestricted Token Transfer and Minting

Lines of code Vulnerability details Impact An attacker could exploit this vulnerability to mint an unlimited number of tokens, potentially devaluing the token and manipulating the market. Proof of Concept: Proof of Concept --The contract allows anyone to call the onTokenTransfer function without...

Challenger incentives can be inflated with external transfers

Lines of code Vulnerability details Impact The function notifyChallengeSucceeded calculates the volume of ZCHF to be repaid, which is then used to calculate the reward for the challenger. The challenger can however artificially inflate this value. A challenger can start a challenge on an...

end() reverts if bidder blacklisted by collateral token, grieving challenger

Lines of code Vulnerability details A successful challenge can be ended via MintingHub.end. This transfers challenge.size collateral back to the challenger, before repaying the challenge and paying the challenger the reward. In this call, position.notifyChallengeSucceeded is called. This transfer...

POSITION LIMIT COULD BE FULLY REDUCED TO ZERO BY CLONES

Lines of code Vulnerability details Impact A newly opened position could have its limit fully reduced to zero as soon as the cooldown period has elapsed. Proof of Concept As seen in the function below, a newly opened position with 0 Frankencoin minted could have its limit turn 0 if the function...

An attacker whose a 3% shareholder can wipe-out all the tokens of anyone using a flash-loan

Lines of code Vulnerability details Impact A 3% votes holder can wipe the equity of any other holder using the restructureCapTable function. Proof of Concept 1. a Be a 3% votes holder or have helpers that together have 3% 2. b Reduce the equity to be less than MINIMUMEQUITY This could be done by...

Challenges can be frontrun with de-leveraging to cause lossses for challengers

Lines of code Vulnerability details Impact Challenges, once created, cannot be closed. Thus once a challenge is created, the challenger has already transferred in a collateral amount and is thus open for losing their collateral to a bidding war which will most likely close below market price, sin...

CVE-2023-20862

In CVE-2023-20862, the Spring Security logout flow fails to properly clean the security context when serialized contexts are used, and saving an empty security context to HttpSessionSecurityContextRepository is blocked. Affected versions are Spring Security 5.7.x prior to 5.7.8, 5.8.x prior to 5....

can launch a challenge without any collateral in MintingHub.sol

Lines of code Vulnerability details Impact launchChallenge... function in MintingHub.sol ignores return value by challenge.position.collateral.transferFrom Several tokens do not revert in case of failure and return false. If the token used as collateral return false, the user can launch a challen...

CVE-2023-20862

In Spring Security, versions 5.7.x prior to 5.7.8, versions 5.8.x prior to 5.8.3, and versions 6.0.x prior to 6.0.3, the logout support does not properly clean the security context if using serialized versions. Additionally, it is not possible to explicitly save an empty security context to the...

Underflow in suggestMinter function

Lines of code Vulnerability details Impact The suggestMinter function in the smart contract allows users to suggest a new minter address by specifying an application period, an application fee, and a message. The function sets the mintersminter mapping to the current block timestamp plus the...

There is no way to withdraw the Fees from the reserve contract

Lines of code Vulnerability details Impact This will mean 1000 of dollars worth of ZCHF in fees cannot be withdrawn by the owner Proof of Concept The reserve contract currentlyor can be the frankencoin contract also lacks a function for withdrawing ZCHF tokens, which are deposited as fees when...

can open a position without any collateral in MintingHub.sol

Lines of code Vulnerability details Impact openPosition... function in MintingHub.sol ignores return value by challenge.position.collateral.transferFrom Several tokens do not revert in case of failure and return false. The require still pass but then, if the token used as collateral return false,...

ERC777 Re-entrancy Risk

Lines of code Vulnerability details Impact The code does not screen out for tokens that use the erc777 standard and therefore presents a re-entrancy risk via the token's callback function Proof of Concept Tools Used Manual Recommended Mitigation Steps Add in re-entrancy lock to function --- The...

CVE-2023-20862

In Spring Security, versions 5.7.x prior to 5.7.8, versions 5.8.x prior to 5.8.3, and versions 6.0.x prior to 6.0.3, the logout support does not properly clean the security context if using serialized versions. Additionally, it is not possible to explicitly save an empty security context to the...

CVE-2023-20862

In Spring Security, versions 5.7.x prior to 5.7.8, versions 5.8.x prior to 5.8.3, and versions 6.0.x prior to 6.0.3, the logout support does not properly clean the security context if using serialized versions. Additionally, it is not possible to explicitly save an empty security context to the...