cve-2021-3842
Vulnerability from cvelistv5
Published
2022-01-04 14:50
Modified
2024-08-03 17:09
Severity ?
EPSS score ?
Summary
nltk is vulnerable to Inefficient Regular Expression Complexity
References
| ▼ | URL | Tags | |
|---|---|---|---|
| security@huntr.dev | https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d | Patch, Third Party Advisory | |
| security@huntr.dev | https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a | Exploit, Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a | Exploit, Issue Tracking, Patch, Third Party Advisory |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:09:09.531Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "nltk/nltk",
"vendor": "nltk",
"versions": [
{
"lessThan": "3.6.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "nltk is vulnerable to Inefficient Regular Expression Complexity"
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"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"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1333",
"description": "CWE-1333 Inefficient Regular Expression Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-01-04T14:50:09",
"orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
"shortName": "@huntrdev"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d"
}
],
"source": {
"advisory": "761a761e-2be2-430a-8d92-6f74ffe9866a",
"discovery": "EXTERNAL"
},
"title": "Inefficient Regular Expression Complexity in nltk/nltk",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@huntr.dev",
"ID": "CVE-2021-3842",
"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": "3.6.6"
}
]
}
}
]
},
"vendor_name": "nltk"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "nltk is vulnerable to Inefficient Regular Expression Complexity"
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"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"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-1333 Inefficient Regular Expression Complexity"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a",
"refsource": "CONFIRM",
"url": "https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a"
},
{
"name": "https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d",
"refsource": "MISC",
"url": "https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d"
}
]
},
"source": {
"advisory": "761a761e-2be2-430a-8d92-6f74ffe9866a",
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
"assignerShortName": "@huntrdev",
"cveId": "CVE-2021-3842",
"datePublished": "2022-01-04T14:50:09",
"dateReserved": "2021-09-30T00:00:00",
"dateUpdated": "2024-08-03T17:09:09.531Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-3842\",\"sourceIdentifier\":\"security@huntr.dev\",\"published\":\"2022-01-04T15:15:07.833\",\"lastModified\":\"2024-11-21T06:22:36.753\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"nltk is vulnerable to Inefficient Regular Expression Complexity\"},{\"lang\":\"es\",\"value\":\"nltk es vulnerable a una Complejidad de Expresi\u00f3n Regular Ineficiente\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"security@huntr.dev\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@huntr.dev\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1333\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.6.6\",\"matchCriteriaId\":\"3BCA0BD1-C000-418A-8D81-59C5335FB3DA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]}],\"references\":[{\"url\":\"https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d\",\"source\":\"security@huntr.dev\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a\",\"source\":\"security@huntr.dev\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]}]}}"
}
}
Loading…
Loading…
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.
- 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.