CVE-2022-31104 Miscompilation of `i8x16.swizzle` and `select` with v128 inputs in Wasmtime

Wasmtime is a standalone runtime for WebAssembly. In affected versions wasmtime's implementation of the SIMD proposal for WebAssembly on x8664 contained two distinct bugs in the instruction lowerings implemented in Cranelift. The aarch64 implementation of the simd proposal is not affected. The bu...

Queued proposals cannot be executed in GovernorBravoDelegate.sol

Lines of code GovernorBravoDelegate.solL63 Vulnerability details Impact In GovernorBravoDelegate.sol's queue function, the executed value for the proposal to be queued is set to true. The execute function in GovernorBravoDelegate.sol will revert when called since the state of the proposal is...

newblockchain report: Missing access control in Proposal-Store.sol

Lines of code Vulnerability details Impact Anyone can add proposal. These proposals are used later to be executed by timelock in GovernorBravoDelegate. However, it is unclear whether the code works as intended: see the QA report "Upon queue executed true in GovernorBravoDelegate". Possible...

newProposal.executed automatically set to true

Lines of code Vulnerability details Impact Proposals might be falsely deemed as executed when in fact they have not been executed yet. Proof of Concept The queue function sets newProposal.executed = true even though that is not technically true. For the proposal to be executed it needs to be call...

A queued proposal will never be executed

Lines of code Vulnerability details All the relevant fields for a proposal is set in queue but executed is marked as true, even before the proposal is even queued. When it comes time to execute a proposal, this will be impossible since state will always return ProposalState.Executed. The conditio...

Only the state() of the latest proposal can be checked

Lines of code Vulnerability details Impact state function cannot view the state from any proposal except for the latest one. Proof of Concept requireproposalCount = proposalId && proposalId initialProposalId, "GovernorBravo::state: invalid proposal id"; Currently proposalCount needs to be bigger ...

Malicious code in plugin-proposal-export-default-from (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 09e67c1f58311edfee436c15f6e587d6bfc574cf3ea5c5a69afaea70790652b3 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

The Fight Against Robocall Spam and Scams Heats Up in India

A new proposal by India's telecom regulator aims to make accurate caller ID mandatory, but critics say it may be fundamentally flawed...

CVE-2022-28937

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests...

CVE-2022-28937

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests...

CVE-2022-28937

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests...

PT-2022-19321 · Unknown · Fisco-Bcos

Name of the Vulnerable Software and Affected Versions: FISCO-BCOS version release-3.0.0-rc2 Description: The issue allows a malicious node to cause normal nodes to stop producing new blocks and processing new clients' requests by sending an invalid proposal with an invalid header. Recommendations...

JPEGLock.lockFor can relock for specific nft, which overwrites previous lock and cause JPEG loss of the locker

Lines of code Vulnerability details Impact NFTVault contract allows anyone to finalize a pending NFT value proposal by calling the finalizePendingNFTValueETH function. A finalizer must lock an equivalent amount of JPEG tokens to the proposed NFT value in JPEGLock, and can only withdraw those toke...

Existing user’s locked JPEG could be overwritten by new user, causing permanent loss of JPEG funds

Lines of code Vulnerability details Details & Impact A user’s JPEG lock schedule can be overwritten by another user’s if he the other user submits and finalizes a proposal to change the same NFT index’s value. The existing user will be unable to withdraw his locked JPEGs, resulting in permanent...

CVE-2022-24791

Wasmtime is a standalone JIT-style runtime for WebAssembly, using Cranelift. There is a use after free vulnerability in Wasmtime when both running Wasm that uses externrefs and enabling epoch interruption in Wasmtime. If you are not explicitly enabling epoch interruption it is disabled by default...

[WP-H4] Input should be validated on-chain to avoid fund loss caused by admin's misinput

Lines of code Vulnerability details In the current design/implementation, the admin of BribeVault is a super privileged role of the system. However, the inputs of the admin to some of the most critical methods are not being validated properly. This can lead to loss of funds to users caused by the...

Default configuration

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines an externref global will result in an invalid drop of a...

CVE-2022-23636 Invalid drop of partially-initialized instances in wasmtime

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines an externref global will result in an invalid drop of a...

CVE-2022-23636 Invalid drop of partially-initialized instances in wasmtime

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines an externref global will result in an invalid drop of a...

Lack of access control in the parameterize function of proposal contracts

Handle shw Vulnerability details Impact Most of the proposal contracts have a parameterize function for setting the proposal parameters, and these functions are protected only by the notCurrent modifier. When the proposal is proposed through a lodgeProposal transaction, an attacker can front-run...