346 matches found
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...
makeProposal can be front run with an arbitrary proposal modifications, enabling griefing attack
Handle hyh Vulnerability details Impact Griefing attack is possible for makeProposal as proposal details can be modified by anyone. Proposal setters have no access controls, requiring only that proposal be not current, so when makeProposal is executed after the preparation phase an attacker can...
Burning a User's Tokens for a Flash Proposal will not Deduct Their Balance
Handle kirk-baird Vulnerability details Impact The proposal to burn a user's tokens for a flash governance proposal does not result in the user losing any funds and may in fact unlock their funds sooner. Proof of Concept The function burnFlashGovernanceAsset will simply overwrite the user's state...
Bypass Vote Flipping Time Addition
Handle kirk-baird Vulnerability details Impact It is possible to bypass the additional 2hrs added to the length of voting when the vote flips from positive to negative or vice versa. This can be done by breaking the vote into two steps first sending enough fate to make the proposal zero. Then...
Realm Shim 安全漏洞
Realm Shim is the shim implementation of this folder containing the Realm API Proposal. A security vulnerability exists in Realm Shim that allows attackers to sandbox bypass via prototype contamination attack vectors...
Ruby on Rails: XSS vulnerabilities due to missing checks in tag helpers
XSS vulnerabilities were discovered in certain tag helpers in Rails, specifically in the FormTagHelper and TagHelper modules. These vulnerabilities allowed attackers to execute arbitrary JavaScript code by manipulating user-controlled input in tag attributes and tag names. The impact of these...
Council veto protection does not work
Handle TomFrenchBlockchain Vulnerability details Impact Council can veto proposals to remove them to remain in power. Proof of Concept The Vader governance contract has the concept of a "council" which can unilaterally accept or reject a proposal. To prevent a malicious council preventing itself...
Governance veto can be bypassed
Handle gzeon Vulnerability details Impact Since veto ensure none of the actions in proposal being vetoed point to the contract GovernorAlpha.sol:L562, a malicious proposal can be designed to have an action that point to governance and therefore effectively cannot be vetoed. Proof of Concept For a...
Stop ramp target price would create huge arbitrage space.
Handle jonah1005 Vulnerability details Stop ramp target price would create huge arbitrage space. Impact stopRampTargetPrice would set the tokenPrecisionMultipliers to originalPrecisionMultipliers0.mulcurrentTargetPrice.divWEIUNIT; Once the tokenPrecisionMultipliers is changed, the price in the AM...
Fastify: 1-click DOS in fastify-static via directly passing user's input to new URL() of NodeJS without try/catch
Summary: When fastify-static is mounted at root and registered the option redirect: true default of redirect option is false, the following line directly feed user's input which is req.raw.url to URL API without try/catch: https://github.com/fastify/fastify-static/blob/master/index.jsL439. A remo...
GHSA-4873-36H9-WV49 Out-of-bounds read/write and invalid free with `externref`s and GC safepoints in Wasmtime
Impact There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger this bug, Wasmtime needs to be running Wasm that uses externrefs, the host creates non-null externrefs, Wasmtime performs a garbage collection GC, and there has to ...
Out-of-bounds read/write and invalid free with `externref`s and GC safepoints in Wasmtime
Impact There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger this bug, Wasmtime needs to be running Wasm that uses externrefs, the host creates non-null externrefs, Wasmtime performs a garbage collection GC, and there has to ...
Use after free passing `externref`s to Wasm in Wasmtime
Impact There was a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple externrefs from the host to a Wasm instance at the same time, either by passing multiple externrefs as arguments from host code to a Wasm...
GHSA-V4CP-H94R-M7XF Use after free passing `externref`s to Wasm in Wasmtime
Impact There was a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple externrefs from the host to a Wasm instance at the same time, either by passing multiple externrefs as arguments from host code to a Wasm...
CVE-2021-39218
Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.26.0 and before version 0.30.0 is affected by a memory unsoundness vulnerability. There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger thi...
YAxisVotePower.balanceOf can be manipulated
Handle cmichel Vulnerability details The YAxisVotePower.balanceOf contract uses the Uniswap pool reserves to compute a lpStakingYax reward: uint256 yaxReserves,, = yaxisEthUniswapV2Pair.getReserves; int256 lpStakingYax = yaxReserves .mulstakeAmount .divsupply .addrewardsYaxisEth.earnedvoter; The...
