CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, само при определена конфигурация или състояние на системата, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock regardless of the key, allowing cross-function re-entrancy in contracts compiled with the susceptible versions. A specific set of conditions is required to result in misbehavior of affected contracts, specifically: a `.vy` contract compiled with `vyper` versions `0.2.15`, `0.2.16`, or `0.3.0`; a primary function that utilizes the `@nonreentrant` decorator with a specific `key` and does not strictly follow the check-effects-interaction pattern (i.e. contains an external call to an untrusted party before storage updates); and a secondary function that utilizes the same `key` and would be affected by the improper state caused by the primary function. Version 0.3.1 contains a fix for this issue.
Засегнати продукти
- vyperlang vyper: = 0.2.15; = 0.2.16; = 0.3.0
Вид слабост
История
- 7 август 2023 Публикувано
Други уязвимости в vyperlang vyper
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2023-39363
- https://nvd.nist.gov/vuln/detail/CVE-2023-39363
- https://github.com/vyperlang/vyper/security/advisories/GHSA-5824-cm3x-3c38
- https://github.com/vyperlang/vyper/pull/2439
- https://github.com/vyperlang/vyper/pull/2514
- https://hackmd.io/@LlamaRisk/BJzSKHNjn
- https://hackmd.io/@vyperlang/HJUgNMhs2