GHSA-q4h9-46xg-m3x9 – @openzeppelin/contracts-upgradeable

Package

Manager: npm
Name: @openzeppelin/contracts-upgradeable
Vulnerable Version: >=4.1.0 <4.3.2

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:R

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: N/A pctlN/A

Details

UUPSUpgradeable vulnerability in @openzeppelin/contracts-upgradeable ### Impact Upgradeable contracts using `UUPSUpgradeable` may be vulnerable to an attack affecting uninitialized implementation contracts. We will update this advisory with more information soon. ### Patches A fix is included in version 4.3.2 of `@openzeppelin/contracts` and `@openzeppelin/contracts-upgradeable`. ### Workarounds Initialize implementation contracts using `UUPSUpgradeable` by invoking the initializer function (usually called `initialize`). An example is provided [in the forum](https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301). ### References A post-mortem will be published in a few days in the [OpenZeppelin Forum](https://forum.openzeppelin.com/). ### For more information If you have any questions or comments about this advisory, or need assistance executing the mitigation, email us at security@openzeppelin.com.

Metadata

Created: 2021-09-15T20:22:13Z
Modified: 2021-09-14T22:17:40Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/09/GHSA-q4h9-46xg-m3x9/GHSA-q4h9-46xg-m3x9.json
CWE IDs: []
Alternative ID: N/A
Finding: F138
Auto approve: 1