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CERTFR-2025-AVI-0475
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Python. Elles permettent à un attaquant de provoquer une atteinte à l'intégrité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "CPython sans le dernier correctif de s\u00e9curit\u00e9",
"product": {
"name": "CPython",
"vendor": {
"name": "Python",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-4330",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-4330"
},
{
"name": "CVE-2025-4138",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-4138"
},
{
"name": "CVE-2025-4517",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-4517"
},
{
"name": "CVE-2025-4435",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-4435"
},
{
"name": "CVE-2024-12718",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-12718"
}
],
"initial_release_date": "2025-06-04T00:00:00",
"last_revision_date": "2025-06-04T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0475",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-06-04T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Python. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Python",
"vendor_advisories": [
{
"published_at": "2025-06-03",
"title": "Bulletin de s\u00e9curit\u00e9 Python MAXIJJCUUMCL7ATZNDVEGGHUMQMUUKLG",
"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/MAXIJJCUUMCL7ATZNDVEGGHUMQMUUKLG/"
}
]
}
CVE-2024-12718 (GCVE-0-2024-12718)
Vulnerability from cvelistv5
Published
2025-06-03 12:59
Modified
2025-07-24 15:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Allows modifying some file metadata (e.g. last modified) with filter="data" or file permissions (chmod) with filter="tar" of files outside the extraction directory.
You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information. Only Python versions 3.12 or later are affected by these vulnerabilities, earlier versions don't include the extraction filter feature.
Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected.
Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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CVE-2025-4138 (GCVE-0-2025-4138)
Vulnerability from cvelistv5
Published
2025-06-03 12:59
Modified
2025-07-07 17:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata.
You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.
Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected.
Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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CVE-2025-4330 (GCVE-0-2025-4330)
Vulnerability from cvelistv5
Published
2025-06-03 12:58
Modified
2025-07-07 17:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata.
You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.
Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected.
Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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CVE-2025-4435 (GCVE-0-2025-4435)
Vulnerability from cvelistv5
Published
2025-06-03 12:59
Modified
2025-07-07 17:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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CVE-2025-4517 (GCVE-0-2025-4517)
Vulnerability from cvelistv5
Published
2025-06-03 12:58
Modified
2025-10-24 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Allows arbitrary filesystem writes outside the extraction directory during extraction with filter="data".
You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.
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References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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"lessThan": "3.11.13",
"status": "affected",
"version": "3.11.0",
"versionType": "python"
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"status": "affected",
"version": "3.12.0",
"versionType": "python"
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"lessThan": "3.13.4",
"status": "affected",
"version": "3.13.0",
"versionType": "python"
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}
],
"credits": [
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"type": "reporter",
"value": "Caleb Brown (Google)"
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{
"lang": "en",
"type": "remediation developer",
"value": "Petr Viktorin"
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{
"lang": "en",
"type": "remediation developer",
"value": "Serhiy Storchaka"
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{
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"type": "coordinator",
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"value": "\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eAllows arbitrary filesystem writes outside the extraction directory during extraction with \u003c/span\u003e\u003ccode\u003efilter=\"data\"\u003c/code\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e.\u003c/span\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eYou are affected by this vulnerability if using the \u003ccode\u003etarfile\u003c/code\u003e\u0026nbsp;module to extract untrusted tar archives using \u003ccode\u003eTarFile.extractall()\u003c/code\u003e\u0026nbsp;or \u003ccode\u003eTarFile.extract()\u003c/code\u003e\u0026nbsp;using the \u003ccode\u003efilter=\u003c/code\u003e\u0026nbsp;parameter with a value of \u003ccode\u003e\"data\"\u003c/code\u003e\u0026nbsp;or \u003ccode\u003e\"tar\"\u003c/code\u003e. See the tarfile \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter\"\u003eextraction filters documentation\u003c/a\u003e\u0026nbsp;for more information.\u003c/p\u003e\u003cp\u003eNote that for Python 3.14 or later the default value of \u003ccode\u003efilter=\u003c/code\u003e\u0026nbsp;changed from \"no filtering\" to `\"data\", so if you are relying on this new default behavior then your usage is also affected.\u003c/p\u003e\u003cp\u003eNote that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it\u0027s important to avoid installing source distributions with suspicious links.\u003cbr\u003e\u003c/p\u003e"
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"title": "Arbitrary writes via tarfile realpath overflow",
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"cveId": "CVE-2025-4517",
"datePublished": "2025-06-03T12:58:50.352Z",
"dateReserved": "2025-05-09T15:05:07.139Z",
"dateUpdated": "2025-10-24T03:55:17.500Z",
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},
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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