github.com
https://github.com/OpenZeppelin/openzeppelin-contracts CVE-2024-27094
MEDIUM
OpenZeppelin Contracts base64 encoding may read from potentially dirty memory
Record summary
CVE-2024-27094 has a selected CVSS score of 6.5 (medium).
Description
OpenZeppelin Contracts is a library for secure smart contract development. The `Base64.encode` function encodes a `bytes` input by iterating over it in chunks of 3 bytes. When this input is not a multiple of 3, the last iteration may read parts of the memory that are beyond the input buffer. The vulnerability is fixed in 5.0.2 and 4.9.6.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 2, 2024 · Source: CVE List
Affected products and versions
3| Product | Source | Version range | Status |
|---|---|---|---|
openzeppelin-contractsBrowse OpenZeppelin / openzeppelin-contracts | CVE List | >= 4.5.0, < 4.9.6 | affected |
| >= 5.0.0-rc.0, < 5.0.2 | affected | ||
@openzeppelin/contractsBrowse npm / @openzeppelin/contracts | GitHub Advisory | 4.5.0 to < 4.9.6 · Fixed in 4.9.6 | affected |
| 5.0.0-rc.0 to < 5.0.2 · Fixed in 5.0.2 | affected | ||
@openzeppelin/contracts-upgradeableBrowse npm / @openzeppelin/contracts-upgradeable | GitHub Advisory | 5.0.0-rc.0 to < 5.0.2 · Fixed in 5.0.2 | affected |
| 4.5.0 to < 4.9.6 · Fixed in 4.9.6 | affected |
References
7github.com
https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/2d081f24cac1a867f6f73d512f2022e1fa987854 github.com
https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/723f8cab09cdae1aca9ec9cc1cfa040c2d4b06c1 github.com
https://github.com/OpenZeppelin/openzeppelin-contracts/commit/92224533b1263772b0774eec3134e132a3d7b2a6 github.com
https://github.com/OpenZeppelin/openzeppelin-contracts/commit/a6286d0fded8771b3a645e5813e51993c490399c github.comConfirmation
https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-9vx6-7xxf-x967 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2024-27094