CVE-2011-4073 (GCVE-0-2011-4073)
Vulnerability from cvelistv5 – Published: 2011-11-17 19:00 – Updated: 2024-08-06 23:53
VLAI
EPSS
VEX
Summary
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://secunia.com/advisories/47342 | third-party-advisoryx_refsource_SECUNIA |
| http://www.securityfocus.com/bid/50440 | vdb-entryx_refsource_BID |
| http://www.debian.org/security/2011/dsa-2374 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/46678 | third-party-advisoryx_refsource_SECUNIA |
| http://www.openswan.org/download/CVE-2011-4073/CV… | x_refsource_CONFIRM |
| http://www.redhat.com/support/errata/RHSA-2011-14… | vendor-advisoryx_refsource_REDHAT |
| http://www.securitytracker.com/id?1026268 | vdb-entryx_refsource_SECTRACK |
| http://secunia.com/advisories/46681 | third-party-advisoryx_refsource_SECUNIA |
Date Public
2011-10-28 00:00
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"criteria": "cpe:2.3:a:xelerance:openswan:2.6.24:*:*:*:*:*:*:*",
"matchCriteriaId": "A0EF3852-4889-49F0-8D56-1E1FF1E811D9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.25:*:*:*:*:*:*:*",
"matchCriteriaId": "D734AD8D-AE91-47C7-BD4D-467CFB63D163",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.26:*:*:*:*:*:*:*",
"matchCriteriaId": "FE595B96-0618-4DF3-B7C3-479A1DD02670",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.27:*:*:*:*:*:*:*",
"matchCriteriaId": "F38B9927-1918-4380-8265-E8915D49AECC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.28:*:*:*:*:*:*:*",
"matchCriteriaId": "0D3A8294-58D5-429D-9061-EE897AAAED80",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.29:*:*:*:*:*:*:*",
"matchCriteriaId": "CFAFF39D-126F-4984-A40B-88E94C680141",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.30:*:*:*:*:*:*:*",
"matchCriteriaId": "73EE725B-C26E-4343-B5F2-F5DF31A197C1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.31:*:*:*:*:*:*:*",
"matchCriteriaId": "A26D9508-E43D-4BA2-9734-CDABBD405D26",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.32:*:*:*:*:*:*:*",
"matchCriteriaId": "01D11526-6DCD-4B73-BACC-FC619D92BBB5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.33:*:*:*:*:*:*:*",
"matchCriteriaId": "24641D2D-BB95-4E26-AD96-8CE96B6B3976",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.34:*:*:*:*:*:*:*",
"matchCriteriaId": "A24A87F0-AE9A-46DB-8E47-7819E18513CE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.35:*:*:*:*:*:*:*",
"matchCriteriaId": "13460979-98A3-4873-B9E4-86327F9C2B2A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:xelerance:openswan:2.6.36:*:*:*:*:*:*:*",
"matchCriteriaId": "DB91B1E2-12F5-4DE1-95D8-400196730902",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions."
},
{
"lang": "es",
"value": "Una vulnerabilidad de uso de memoria previamente liberada en la funcionalidad del manejador auxiliar criptogr\u00e1fico en Openswan versi\u00f3n 2.3.0 hasta 2.6.36, permite a los usuarios autenticados remotos causar una denegaci\u00f3n de servicio (bloqueo del demonio pluto IKE) por medio de vectores relacionados con las funciones (1) quick_outI1_continue y (2) quick_outI1."
}
],
"id": "CVE-2011-4073",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-11-17T19:55:01.390",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46678"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46681"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/47342"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2011/dsa-2374"
},
{
"source": "cve@mitre.org",
"url": "http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1422.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/50440"
},
{
"source": "cve@mitre.org",
"url": "http://www.securitytracker.com/id?1026268"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46678"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46681"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/47342"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2011/dsa-2374"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1422.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/50440"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1026268"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:55:00+00:00",
"cve": "CVE-2011-4073",
"id": "CVE-2011-4073",
"initial_release_date": "2011-10-28T00:00:00+00:00",
"product_status:fixed": "58",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "openswan: use-after-free vulnerability leads to DoS",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-4073.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-05-01T02:25:39Z",
"cve": "CVE-2011-4073",
"id": "CVE-2011-4073",
"initial_release_date": "2023-02-15T05:50:17Z",
"product_status:recommended": "4",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-4073",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-4073.json",
"version": "5"
}
}
}
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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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