Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1xNGg5LTQ2eGctbTN4Oc0Vww

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.

References

A post-mortem will be published in a few days in the OpenZeppelin Forum.

For more information

If you have any questions or comments about this advisory, or need assistance executing the mitigation, email us at [email protected].

Permalink: https://github.com/advisories/GHSA-q4h9-46xg-m3x9
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xNGg5LTQ2eGctbTN4Oc0Vww
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: over 1 year ago

Identifiers: GHSA-q4h9-46xg-m3x9
References:

• https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-q4h9-46xg-m3x9
• https://github.com/advisories/GHSA-q4h9-46xg-m3x9

Repository: https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable
Blast Radius: 0.0

Affected Packages