CVE-2022-39242

Frontier is an Ethereum compatibility layer for Substrate. Prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can constru...

CVE-2022-39242

Frontier is an Ethereum compatibility layer for Substrate. Prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can constru...

Design/Logic Flaw

Frontier is an Ethereum compatibility layer for Substrate. Prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can constru...

CVE-2022-39242 Incorrect Calculation in Frontier leads to inflated Ethereum chain gas prices

Frontier is an Ethereum compatibility layer for Substrate. Prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can constru...

CVE-2022-39242 Incorrect Calculation in Frontier leads to inflated Ethereum chain gas prices

Frontier is an Ethereum compatibility layer for Substrate. Prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can constru...

CVE-2022-39242

CVE-2022-39242 affects Frontier, an Ethereum compatibility layer for Substrate. The root cause is that the worst-case weight was always counted as the block weight in all cases, allowing large EVM gas refunds to enable block spamming and inflate chain gas prices. The impact is limited: attack cos...

Weight not properly refunded after EVM execution

Impact Previously, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can construct blocks with transactions that have large amount of refunds or unused gases with reverts, and as...

GHSA-V57H-6HMH-G2P4 Weight not properly refunded after EVM execution

Impact Previously, the worst case weight was always accounted as the block weight for all cases. In case of large EVM gas refunds, this can lead to block spamming attacks -- the adversary can construct blocks with transactions that have large amount of refunds or unused gases with reverts, and as...

PT-2022-24836 · Frontier · Frontier

Name of the Vulnerable Software and Affected Versions: Frontier versions prior to commit d3beddc6911a559a3ecc9b3f08e153dbe37a8658 Description: The issue arises from the worst case weight always being accounted as the block weight for all cases, which can lead to block spamming attacks in case of...