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magic-crypt uses insecure cryptographic algorithmsGHSA-gmx7-gr5q-85w5

GHSA-gmx7-gr5q-85w5 is a security vulnerability in magic-crypt. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asRUSTSEC-2024-0430
Published
Updated
Affected
1 pkg
Patched
None yet
Exploits
None indexed
Exploitation data as of Oct 28, 2025 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🦀magic-crypt

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

This crate uses a number of cryptographic algorithms that are no longer considered secure and it uses them in ways that do not guarantee the integrity of the encrypted data.

MagicCrypt64 uses the insecure DES block cipher in CBC mode without authentication. This allows for practical brute force and padding oracle attacks and does not protect the integrity of the encrypted data. Key and IV are generated from user input using CRC64, which is not at all a key derivation function.

MagicCrypt64, MagicCrypt128, MagicCrypt192, and MagicCrypt256 are all vulnerable to padding-oracle attacks. None of them protect the integrity of the ciphertext. Furthermore, none use password-based key derivation functions, even though the key is intended to be generated from a password.

Each of the implementations are unsound in that they use uninitialized memory without MaybeUninit or equivalent structures.

For more information, visit the issue.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🦀crates.iomagic-cryptall versionsNo fix

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for magic-crypt, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of magic-crypt for GHSA-gmx7-gr5q-85w5. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

This crate uses a number of cryptographic algorithms that are no longer considered secure and it uses them in ways that do not guarantee the integrity of the encrypted data. `MagicCrypt64` uses the insecure DES block cipher in CBC mode without authentication. This allows for practical brute force and padding oracle attacks and does not protect the integrity of the encrypted data. Key and IV are generated from user input using CRC64, which is not at all a key derivation function. `MagicCrypt64`, `MagicCrypt128`, `MagicCrypt192`, and `MagicCrypt256` are all vulnerable to padding-oracle attacks
O3 Security · Impact-Aware SCA

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GHSA-gmx7-gr5q-85w5: magic-crypt