GHSA-xxmq-4vph-956w

Source

https://github.com/advisories/GHSA-xxmq-4vph-956w

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-xxmq-4vph-956w/GHSA-xxmq-4vph-956w.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-xxmq-4vph-956w

Published

2023-03-28T14:44:04Z

Modified

2023-03-28T14:44:04Z

Severity

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

Summary

Comrak vulnerable to production of excessive output when parsing Markdown (GHSL-2023-048)

Details

Impact

comrak is vulnerable to the upstream cmark issue, "Issue revealed by fuzzer". A large number of references in a markdown document can trigger an overly large response.

Patches

0.17.0 contains https://github.com/kivikakk/comrak/commit/70f97f3ea4eae30ffbd1b94c764a3de2f1c41d2a, which limits reference output to a 100Kb maximum.

Workarounds

n/a

References

https://github.com/commonmark/cmark/issues/354

Database specific

{
    "nvd_published_at": null,
    "severity": "MODERATE",
    "github_reviewed_at": "2023-03-28T14:44:04Z",
    "github_reviewed": true,
    "cwe_ids": []
}

References

Affected packages

crates.io / comrak

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.17.0