FKIE_CVE-2012-5521
Vulnerability from fkie_nvd - Published: 2019-11-25 14:15 - Updated: 2026-06-16 23:46
Severity
Summary
quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| quagga | quagga | 0.99.21 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 | |
| redhat | enterprise_linux | 5.0 | |
| redhat | enterprise_linux | 6.0 |
{
"affected": [
{
"affectedData": [
{
"product": "quagga",
"vendor": "quagga",
"versions": [
{
"status": "affected",
"version": "0.99.21"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
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"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
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"vulnerable": true
},
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{
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal"
},
{
"lang": "es",
"value": "quagga (ospf6d) versi\u00f3n 0.99.21, presenta un fallo de tipo DoS en la manera en que el demonio ospf6d realiza la eliminaci\u00f3n de rutas."
}
],
"id": "CVE-2012-5521",
"lastModified": "2026-06-16T23:46:56.367",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 6.5,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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}
]
},
"published": "2019-11-25T14:15:11.147",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
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],
"url": "http://www.openwall.com/lists/oss-security/2012/11/13/14"
},
{
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"tags": [
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"url": "http://www.securityfocus.com/bid/56530"
},
{
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},
{
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"tags": [
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5521"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-5521"
},
{
"source": "secalert@redhat.com",
"tags": [
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"VDB Entry"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80096"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://security-tracker.debian.org/tracker/CVE-2012-5521"
},
{
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{
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],
"url": "https://access.redhat.com/security/cve/cve-2012-5521"
},
{
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"tags": [
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],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Third Party Advisory"
],
"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-5521"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"VDB Entry"
],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://security-tracker.debian.org/tracker/CVE-2012-5521"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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