GHSA-mmc9-pwm7-qj5w

Source

https://github.com/advisories/GHSA-mmc9-pwm7-qj5w

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-mmc9-pwm7-qj5w/GHSA-mmc9-pwm7-qj5w.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-mmc9-pwm7-qj5w

Aliases

Published

2021-08-25T20:56:50Z

Modified

2023-11-08T04:03:10.161773Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Unaligned memory access in rand_core

Details

Impact

Affected versions of this crate violated alignment when casting byte slices to integer slices, resulting in undefined behavior. rand_core::BlockRng::next_u64 and rand_core::BlockRng::fill_bytes are affected.

Patches

The flaw was corrected by Ralf Jung and Diggory Hardy for rand_core >= 0.4.2.

Workarounds

None.

References

See Rand's changelog.

For more information

If you have any questions or comments about this advisory, open an issue in the Rand repository.

Database specific

{
    "nvd_published_at": null,
    "github_reviewed_at": "2021-08-18T20:45:24Z",
    "severity": "CRITICAL",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-704"
    ]
}

References

Affected packages

crates.io / rand_core

Package

Name: rand_core; View open source insights on deps.dev
Purl: pkg:cargo/rand_core

Affected ranges

Type: SEMVER
Events: Introduced

0.4.0

Fixed

0.4.2

Ecosystem specific

{
    "affected_functions": [
        "rand_core::BlockRng::fill_bytes",
        "rand_core::BlockRng::next_u64"
    ]
}

crates.io / rand_core

Package

Name: rand_core; View open source insights on deps.dev
Purl: pkg:cargo/rand_core

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.3.1

Ecosystem specific

{
    "affected_functions": [
        "rand_core::BlockRng::fill_bytes",
        "rand_core::BlockRng::next_u64"
    ]
}