GSD-2021-41581
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\0' termination.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-41581",
"description": "x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks \u0027\\0\u0027 termination.",
"id": "GSD-2021-41581",
"references": [
"https://www.suse.com/security/cve/CVE-2021-41581.html",
"https://security.archlinux.org/CVE-2021-41581"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-41581"
],
"details": "x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks \u0027\\0\u0027 termination.",
"id": "GSD-2021-41581",
"modified": "2023-12-13T01:23:27.291308Z",
"schema_version": "1.4.0"
}
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"name": "https://github.com/libressl-portable/openbsd/issues/126",
"refsource": "MISC",
"url": "https://github.com/libressl-portable/openbsd/issues/126"
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},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c=3.4.0",
"affected_versions": "All versions up to 3.4.0",
"cvss_v2": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-09-29",
"description": "`x509_constraints_parse_mailbox` in `lib/libcrypto/x509/x509_constraints.c` in LibreSSL has a stack-based buffer over-read. When the input exceeds `DOMAIN_PART_MAX_LEN`, the buffer lacks `\\0` termination.",
"fixed_versions": [],
"identifier": "CVE-2021-41581",
"identifiers": [
"CVE-2021-41581"
],
"not_impacted": "",
"package_slug": "conan/libressl",
"pubdate": "2021-09-24",
"solution": "Unfortunately, there is no solution available yet.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-41581",
"https://github.com/libressl-portable/openbsd/issues/126"
],
"uuid": "06524057-1947-4ff7-9a4b-f56742205082"
}
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
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"attackVector": "LOCAL",
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"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
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"exploitabilityScore": 1.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-09-29T21:35Z",
"publishedDate": "2021-09-24T03:15Z"
}
}
}
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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 |
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Nomenclature
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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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