Inconsistent logic of increase unlock time to the expired locks

Lines of code Vulnerability details 2022-08-fiatdao Inconsistent logic of increase unlock time to the expired locks Impact Can not prevent expired locks being extended. Proof of Concept Call function function increaseUnlockTime with an expired lock lockedmsg.sender.end block.timestamp Case 1: if...

VotingEscrow.increaseUnlockTime() uses wrong unlock time for old lock.

Lines of code Vulnerability details Impact VotingEscrow.increaseUnlockTime uses wrong unlock time for old lock. The user's voting power might be calculated wrongly. Proof of Concept As we can see from CheckpointMath, the oldLock.end should be original value but it uses the increased unlocktime...

User can have full voting power with virtually no lockup using multiple locks and delegation

Lines of code Vulnerability details Impact User receives voting power of max lock but only locks for a minimal amount of time Proof of Concept In VotingEscrow.solcheckpoint, the duration of the delegatee and the total delegated tokens are used to determine the amount of voting power that a lock...

voting-station.net Cross Site Scripting vulnerability OBB-2833522

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-2022-1600

The YOP Poll WordPress plugin before 6.4.3 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTEADDR, which makes it possible to bypass IP-based limitations to vote in certain situations...

Possible to delegate same token

Lines of code Vulnerability details Impact It's possible to call delegatetokenId1, tokenId2 using the same token tokenId1 multiple times. The previous delegated value isn't deleted, and all delegations stack up. This way tokenId2 will have all these tokens as delegated:...

A NFT can be delegated to many NFTS

Lines of code Vulnerability details In VoteEscrowDelegation.sol in the function delegate, there is no check about if the tokenId NFT has already been delegated. Thus is it possible to delegate voting power multiple time. It's even possible to self delegate tokenId = toTokenId multiple times. By...

Able to delegate multiple times with the same tokenId

Lines of code Vulnerability details The delegate function in VoteEscrowDelegation.sol is used to delegate voting power from one tokenId to another. The tokenId is added to the toTokenId's delegatedTokenIds array which contains all tokenIds that have delegated to the toTokenId. The amount of votes...

Analyzing the Swiss E-Voting System

Andrew Appel has a long analysis of the Swiss online voting system. Its a really good analysis of both the system and the official analyses...

The vulnerability of the authentication mechanism for voting sessions in the software of the ImageCast X device for marking ballots allows a perpetrator to obtain an arbitrary number of ballots without authorization.

The vulnerability of the authentication mechanism for voting sessions in the ImageCast X device’s voting software is related to a lack of a mechanism for verifying the source of data. Exploiting this vulnerability could allow an intruder to obtain any number of ballots without being authorized...

CVE-2022-1747

The authentication mechanism used by voters to activate a voting session on the tested version of Dominion Voting Systems ImageCast X is susceptible to forgery. An attacker could leverage this vulnerability to print an arbitrary number of ballots without authorization...

CVE-2022-1746

The authentication mechanism used by poll workers to administer voting using the tested version of Dominion Voting Systems ImageCast X can expose cryptographic secrets used to protect election information. An attacker could leverage this vulnerability to gain access to sensitive information and...

CVE-2022-1747

The authentication mechanism used by voters to activate a voting session on the tested version of Dominion Voting Systems ImageCast X is susceptible to forgery. An attacker could leverage this vulnerability to print an arbitrary number of ballots without authorization...

CVE-2022-1742

The tested version of Dominion Voting Systems ImageCast X allows for rebooting into Android Safe Mode, which allows an attacker to directly access the operating system. An attacker could leverage this vulnerability to escalate privileges on a device and/or install malicious code...

CVE-2022-1740

The tested version of Dominion Voting Systems ImageCast X’s on-screen application hash display feature, audit log export, and application export functionality rely on self-attestation mechanisms. An attacker could leverage this vulnerability to disguise malicious applications on a device...

CVE-2022-1741

The tested version of Dominion Voting Systems ImageCast X has a Terminal Emulator application which could be leveraged by an attacker to gain elevated privileges on a device and/or install malicious code...

CVE-2022-1745

The authentication mechanism used by technicians on the tested version of Dominion Voting Systems ImageCast X is susceptible to forgery. An attacker with physical access may use this to gain administrative privileges on a device and install malicious code or perform arbitrary administrative actio...

CVE-2022-1745

The authentication mechanism used by technicians on the tested version of Dominion Voting Systems ImageCast X is susceptible to forgery. An attacker with physical access may use this to gain administrative privileges on a device and install malicious code or perform arbitrary administrative actio...

CVE-2022-1744

Applications on the tested version of Dominion Voting Systems ImageCast X can execute code with elevated privileges by exploiting a system level service. An attacker could leverage this vulnerability to escalate privileges on a device and/or install malicious code...

CVE-2022-1739

The tested version of Dominion Voting Systems ImageCast X does not validate application signatures to a trusted root certificate. Use of a trusted root certificate ensures software installed on a device is traceable to, or verifiable against, a cryptographic key provided by the manufacturer to...