chore(deps): update dependency @openzeppelin/contracts to v4.9.6 [security] - autoclosed #1531
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This PR contains the following updates:
4.9.5->4.9.6GitHub Vulnerability Alerts
CVE-2024-27094
Impact
The
Base64.encodefunction encodes abytesinput 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.Although the
encodefunction pads the output for these cases, up to 4 bits of data are kept between the encoding and padding, corrupting the output if these bits were dirty (i.e. memory after the input is not 0). These conditions are more frequent in the following scenarios:bytes memorystruct is allocated just after the input and the first bytes of it are non-zero.Developers should evaluate whether the extra bits can be maliciously manipulated by an attacker.
Patches
Upgrade to 5.0.2 or 4.9.6.
References
This issue was reported by the Independent Security Researcher Riley Holterhus through Immunefi (@rileyholterhus on X)
Release Notes
OpenZeppelin/openzeppelin-contracts (@openzeppelin/contracts)
v4.9.6Compare Source
Base64: Fix issue where dirty memory located just after the input buffer is affecting the result. (#4929)Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
This PR has been generated by Mend Renovate. View repository job log here.
PR-Codex overview
This PR updates the version of
@openzeppelin/contractsfrom4.9.5to4.9.6in theyarn.lockfile.Detailed summary
@openzeppelin/contractsversion to4.9.64.8.3and4.9.5into a single entry with version4.9.6