Vulnerability Information
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Vulnerability Title
Attacker controlled data in AST nodes is not validated in comrak
Vulnerability 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`.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
对异常条件的处理不恰当
Vulnerability Title
comrak 安全漏洞
Vulnerability Description
Comrak是Asherah Connor个人开发者的一个 CommonMark+GFM 兼容 Markdown 解析器和渲染器。 comrak 0.17.0之前版本存在安全漏洞，该漏洞源于没有验证AST节点中攻击者控制的数据。
CVSS Information
N/A
Vulnerability Type
N/A