BREW-PNPM-CVE-2024-47829 (GHSA-8CC4-RFJ6-FHG4)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:28 – Updated: 2026-09-16 10:03 – Source website
VLAI
Summary
pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting
Details
pnpm is a package manager. Prior to version 10.0.0, the path shortening function uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to. This issue has been patched in version 10.0.0.
Severity
6.5 (Medium)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"upstream_fixed_in": "10.0.0"
},
"package": {
"ecosystem": "Homebrew",
"name": "pnpm",
"purl": "pkg:brew/pnpm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "11.21.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "git",
"upstream_evidence": [
{
"ecosystem": "GIT",
"key": "https://github.com/pnpm/pnpm",
"name": "https://github.com/pnpm/pnpm",
"strategy": "git",
"subject_version": "v12.4.2"
},
{
"ecosystem": "npm",
"key": "pkg:npm/pnpm@12.4.2",
"name": "pnpm",
"strategy": "registry",
"subject_version": "12.4.2"
}
]
},
"details": "pnpm is a package manager. Prior to version 10.0.0, the path shortening function uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to. This issue has been patched in version 10.0.0.",
"id": "BREW-pnpm-CVE-2024-47829",
"modified": "2026-09-16T10:03:26Z",
"published": "2026-08-13T17:28:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47829.json"
},
{
"type": "ADVISORY",
"url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-8cc4-rfj6-fhg4"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47829"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
}
],
"summary": "pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting",
"upstream": [
"GHSA-8cc4-rfj6-fhg4",
"CVE-2024-47829"
]
}
CVE-2024-47829 (GCVE-0-2024-47829)
Vulnerability from cvelistv5 – Published: 2025-04-23 15:42 – Updated: 2025-04-23 16:08
VLAI
EPSS
VEX
Title
pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting
Summary
pnpm is a package manager. Prior to version 10.0.0, the path shortening function uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to. This issue has been patched in version 10.0.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 16:07 UTC
CWE
- CWE-328 - Use of Weak Hash
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pnpm/pnpm/security/advisories/… | x_refsource_CONFIRM |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-47829",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-23T16:07:35.550538Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-23T16:08:45.843Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "pnpm",
"vendor": "pnpm",
"versions": [
{
"status": "affected",
"version": "\u003c 10.0.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "pnpm is a package manager. Prior to version 10.0.0, the path shortening function uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to. This issue has been patched in version 10.0.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-328",
"description": "CWE-328: Use of Weak Hash",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-23T15:42:12.623Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/pnpm/pnpm/security/advisories/GHSA-8cc4-rfj6-fhg4",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-8cc4-rfj6-fhg4"
}
],
"source": {
"advisory": "GHSA-8cc4-rfj6-fhg4",
"discovery": "UNKNOWN"
},
"title": "pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-47829",
"datePublished": "2025-04-23T15:42:12.623Z",
"dateReserved": "2024-10-03T14:06:12.642Z",
"dateUpdated": "2025-04-23T16:08:45.843Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
GHSA-8CC4-RFJ6-FHG4
Vulnerability from github – Published: 2025-04-23 14:05 – Updated: 2025-04-23 19:15
VLAI
Summary
pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting
Details
The path shortening function is used in pnpm：
export function depPathToFilename (depPath: string, maxLengthWithoutHash: number): string {
let filename = depPathToFilenameUnescaped(depPath).replace(/[\\/:*?"<>|]/g, '+')
if (filename.includes('(')) {
filename = filename
.replace(/\)$/, '')
.replace(/(\)\()|\(|\)/g, '_')
}
if (filename.length > maxLengthWithoutHash || filename !== filename.toLowerCase() && !filename.startsWith('file+')) {
return `${filename.substring(0, maxLengthWithoutHash - 27)}_${createBase32Hash(filename)}`
}
return filename
}
However, it uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to.
In the diagram, we assume that two packages are called packageA and packageB, and that the first 90 digits of their package names must be the same, and that the hash value of the package names with versions must be the same. Then C is the package that they both reference, but with a different version number. (npm allows package names up to 214 bytes, so constructing such a collision package name is obvious.)
Then hash(packageA@1.2.3)=hash(packageB@3.4.5). This results in the same path for the installation, and thus under the same directory. Although the package names under node_modoules are the full paths again, they are shared with C. What is the exact version number of C? In our local tests, it depends on which one is installed later. If packageB is installed later, the C version number will change to 2.0.0. At this time, although package A requires the C@1.0.0 version, package. json will only work during installation, and will not affect the actual operation. We did not receive any installation error issues from pnpm during our local testing, nor did we use force, which is clearly a case that can be triggered.
For a package with a package name + version number longer than 120, another package can be constructed to introduce an indirect reference to a lower version, such as one with some known vulnerability. Alternatively, it is possible to construct two packages with more than 120 package names + version numbers. This is clearly an advantage for those intent on carrying out supply chain attacks.
The solution: The repair cost is also very low, just need to upgrade the md5 function to sha256.
Severity
6.5 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "pnpm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-47829"
],
"database_specific": {
"cwe_ids": [
"CWE-328"
],
"github_reviewed": true,
"github_reviewed_at": "2025-04-23T14:05:47Z",
"nvd_published_at": "2025-04-23T16:15:29Z",
"severity": "MODERATE"
},
"details": "The path shortening function is used in pnpm\uff1a\n```\nexport function depPathToFilename (depPath: string, maxLengthWithoutHash: number): string {\n let filename = depPathToFilenameUnescaped(depPath).replace(/[\\\\/:*?\"\u003c\u003e|]/g, \u0027+\u0027)\n if (filename.includes(\u0027(\u0027)) {\n filename = filename\n .replace(/\\)$/, \u0027\u0027)\n .replace(/(\\)\\()|\\(|\\)/g, \u0027_\u0027)\n }\n if (filename.length \u003e maxLengthWithoutHash || filename !== filename.toLowerCase() \u0026\u0026 !filename.startsWith(\u0027file+\u0027)) {\n return `${filename.substring(0, maxLengthWithoutHash - 27)}_${createBase32Hash(filename)}`\n }\n return filename\n}\n```\nHowever, it uses the md5 function as a path shortening compression function, and if a collision occurs, it will result in the same storage path for two different libraries. Although the real names are under the package name /node_modoules/, there are no version numbers for the libraries they refer to.\n\nIn the diagram, we assume that two packages are called packageA and packageB, and that the first 90 digits of their package names must be the same, and that the hash value of the package names with versions must be the same. Then C is the package that they both reference, but with a different version number. (npm allows package names up to 214 bytes, so constructing such a collision package name is obvious.)\n\nThen hash(packageA@1.2.3)=hash(packageB@3.4.5). This results in the same path for the installation, and thus under the same directory. Although the package names under node_modoules are the full paths again, they are shared with C.\nWhat is the exact version number of C?\nIn our local tests, it depends on which one is installed later. If packageB is installed later, the C version number will change to 2.0.0. At this time, although package A requires the C@1.0.0 version, package. json will only work during installation, and will not affect the actual operation.\nWe did not receive any installation error issues from pnpm during our local testing, nor did we use force, which is clearly a case that can be triggered.\n\nFor a package with a package name + version number longer than 120, another package can be constructed to introduce an indirect reference to a lower version, such as one with some known vulnerability.\nAlternatively, it is possible to construct two packages with more than 120 package names + version numbers.\nThis is clearly an advantage for those intent on carrying out supply chain attacks.\n\n\nThe solution:\nThe repair cost is also very low, just need to upgrade the md5 function to sha256.",
"id": "GHSA-8cc4-rfj6-fhg4",
"modified": "2025-04-23T19:15:59Z",
"published": "2025-04-23T14:05:47Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-8cc4-rfj6-fhg4"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47829"
},
{
"type": "PACKAGE",
"url": "https://github.com/pnpm/pnpm"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
}
],
"summary": "pnpm uses the md5 path shortening function causes packet paths to coincide, which causes indirect packet overwriting"
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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