GSD-2021-40347
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-40347",
"description": "An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.",
"id": "GSD-2021-40347",
"references": [
"https://www.suse.com/security/cve/CVE-2021-40347.html",
"https://www.debian.org/security/2021/dsa-4970",
"https://ubuntu.com/security/CVE-2021-40347",
"https://security.archlinux.org/CVE-2021-40347"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-40347"
],
"details": "An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.",
"id": "GSD-2021-40347",
"modified": "2023-12-13T01:23:25.400952Z",
"schema_version": "1.4.0"
}
},
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{
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"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.3.5",
"affected_versions": "All versions before 1.3.5",
"cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-09-24",
"description": "An issue was discovered in views/list.py in GNU Mailman Postorius An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.",
"fixed_versions": [
"1.3.5"
],
"identifier": "CVE-2021-40347",
"identifiers": [
"CVE-2021-40347"
],
"not_impacted": "All versions starting from 1.3.5",
"package_slug": "pypi/postorius",
"pubdate": "2021-09-10",
"solution": "Upgrade to version 1.3.5 or above.",
"title": "Inconsistent Interpretation of HTTP Requests",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-40347",
"https://gitlab.com/mailman/postorius/-/issues/531"
],
"uuid": "810e3a93-d691-4171-9272-3daa6bdf8f50"
}
]
},
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"cpe_name": [],
"versionEndExcluding": "1.3.5",
"vulnerable": true
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"operator": "OR"
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}
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{
"name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993746",
"refsource": "CONFIRM",
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"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993746"
},
{
"name": "https://gitlab.com/mailman/postorius/-/issues/531",
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"url": "https://gitlab.com/mailman/postorius/-/issues/531"
},
{
"name": "https://phabricator.wikimedia.org/T289798",
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"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4970"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
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"exploitabilityScore": 2.8,
"impactScore": 2.5
}
},
"lastModifiedDate": "2021-09-24T03:04Z",
"publishedDate": "2021-09-10T19:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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