CVE-2023-28631

CVSS V2 None CVSS V3 None
Description
comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A Comrak AST can be constructed manually by a program instead of parsing a Markdown document with `parse_document`. This AST can then be converted to HTML via `html::format_document_with_plugins`. However, the HTML formatting code assumes that the AST is well-formed. For example, many AST notes contain `[u8]` fields which the formatting code assumes is valid UTF-8 data. Several bugs can be triggered if this is not the case. Version 0.17.0 contains adjustments to the AST, storing strings instead of unvalidated byte arrays. Users are advised to upgrade. Users unable to upgrade may manually validate UTF-8 correctness of all data when assigning to `&[u8]` and `Vec<u8>` fields in the AST. This issue is also tracked as `GHSL-2023-049`.
Overview
  • CVE ID
  • CVE-2023-28631
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2023-03-28T21:15:11
  • Last Modified Date
  • 2023-04-06T18:03:26
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:comrak_project:comrak:*:*:*:*:*:rust:*:* 1 OR 0.17.0
History
Created Old Value New Value Data Type Notes
2023-04-17 03:44:19 Added to TrackCVE
2023-04-17 03:44:21 Weakness Enumeration new