gsd-2021-3828
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
nltk is vulnerable to Inefficient Regular Expression Complexity
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-3828",
"description": "nltk is vulnerable to Inefficient Regular Expression Complexity",
"id": "GSD-2021-3828",
"references": [
"https://www.suse.com/security/cve/CVE-2021-3828.html",
"https://security.archlinux.org/CVE-2021-3828",
"https://ubuntu.com/security/CVE-2021-3828"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-3828"
],
"details": "nltk is vulnerable to Inefficient Regular Expression Complexity",
"id": "GSD-2021-3828",
"modified": "2023-12-13T01:23:35.020882Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2021-3828",
"STATE": "PUBLIC",
"TITLE": "Inefficient Regular Expression Complexity in nltk/nltk"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "nltk/nltk",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_value": "3.6.3"
}
]
}
}
]
},
"vendor_name": "nltk"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Srikanth Prathi (@srikanthprathi)"
},
{
"lang": "eng",
"value": "Tom Aarsen (@tomaarsen)"
}
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
}
},
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"description": [
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"lang": "eng",
"value": "CWE-1333 Inefficient Regular Expression Complexity"
}
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},
{
"name": "https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6",
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"url": "https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6"
}
]
},
"source": {
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"discovery": "EXTERNAL"
}
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"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c=3.6.3",
"affected_versions": "All versions up to 3.6.3",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-697",
"CWE-937"
],
"date": "2022-04-25",
"description": "nltk is vulnerable to Inefficient Regular Expression Complexity",
"fixed_versions": [
"3.6.4"
],
"identifier": "CVE-2021-3828",
"identifiers": [
"CVE-2021-3828"
],
"not_impacted": "All versions after 3.6.3",
"package_slug": "pypi/nltk",
"pubdate": "2021-09-27",
"solution": "Upgrade to version 3.6.4 or above.",
"title": "Incorrect Comparison",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-3828"
],
"uuid": "08e235c9-611b-4afd-a9eb-5b26157bb5d0"
}
]
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.6.3",
"vulnerable": true
}
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"operator": "OR"
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"ID": "CVE-2021-3828"
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"description": {
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"problemtype": {
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{
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"value": "CWE-697"
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},
"references": {
"reference_data": [
{
"name": "https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32",
"refsource": "CONFIRM",
"tags": [
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"url": "https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32"
},
{
"name": "https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6",
"refsource": "MISC",
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"url": "https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6"
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]
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-04-25T18:18Z",
"publishedDate": "2021-09-27T13:15Z"
}
}
}
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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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