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GHSA-5r3x-p7xx-x6q5.json
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GHSA-5r3x-p7xx-x6q5.json
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{
"schema_version": "1.4.0",
"id": "GHSA-5r3x-p7xx-x6q5",
"modified": "2023-03-28T23:08:47Z",
"published": "2023-03-28T14:45:28Z",
"aliases": [
"CVE-2023-28631"
],
"summary": "Comrak AST node data is not validated (GHSL-2023-049)",
"details": "### Impact\nA 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.\n\n### Patches\n\n0.17.0 contains adjustments to the AST, storing strings instead of unvalidated byte arrays.\n\n### Workarounds\n\n* Validate UTF-8 correctness of all data when assigning to `&[u8]` and `Vec<u8>` fields in the AST.\n\n### References\nn/a",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"package": {
"ecosystem": "crates.io",
"name": "comrak"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.17.0"
}
]
}
]
}
],
"references": [
{
"type": "WEB",
"url": "https://github.com/kivikakk/comrak/security/advisories/GHSA-5r3x-p7xx-x6q5"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28631"
},
{
"type": "WEB",
"url": "https://github.com/kivikakk/comrak/commit/9ff5f8df0ac951f5742d22a72c39b89a15f56639"
},
{
"type": "PACKAGE",
"url": "https://github.com/kivikakk/comrak"
},
{
"type": "WEB",
"url": "https://github.com/kivikakk/comrak/releases/tag/0.17.0"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OUYME2VA555X6567H7ORIJQFN4BVGT6N"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTWZWCT7KCX2KTXTLPUYZ3EHOONG4X46"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VQ3UBC7LE4VPCMZBTADIBL353CH7CPVV"
}
],
"database_specific": {
"cwe_ids": [
"CWE-755"
],
"severity": "MODERATE",
"github_reviewed": true,
"github_reviewed_at": "2023-03-28T14:45:28Z",
"nvd_published_at": "2023-03-28T21:15:00Z"
}
}