FKIE_CVE-2003-0543
Vulnerability from fkie_nvd - Published: 2003-11-17 05:00 - Updated: 2026-06-16 22:02
Severity
Summary
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*",
"matchCriteriaId": "B5E4742C-A983-4F00-B24F-AB280C0E876D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*",
"matchCriteriaId": "45A518E8-21BE-4C5C-B425-410AB1208E9C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values."
},
{
"lang": "es",
"value": "Desbordamiento de enteros en OpenSSL 0.9.6 y 0.9.7 permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda) mediante un certificado SSL de cliente con ciertos valores en la etiqueta ASN.1."
}
],
"id": "CVE-2003-0543",
"lastModified": "2026-06-16T22:02:24.277",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2003-11-17T05:00:00.000",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/22249"
},
{
"source": "cve@mitre.org",
"url": "http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1"
},
{
"source": "cve@mitre.org",
"url": "http://www-1.ibm.com/support/docview.wss?uid=swg21247112"
},
{
"source": "cve@mitre.org",
"tags": [
"US Government Resource"
],
"url": "http://www.cert.org/advisories/CA-2003-26.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2003/dsa-393"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2003/dsa-394"
},
{
"source": "cve@mitre.org",
"tags": [
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/255484"
},
{
"source": "cve@mitre.org",
"url": "http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.redhat.com/support/errata/RHSA-2003-291.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2003-292.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/8732"
},
{
"source": "cve@mitre.org",
"url": "http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2006/3900"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22249"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www-1.ibm.com/support/docview.wss?uid=swg21247112"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"US Government Resource"
],
"url": "http://www.cert.org/advisories/CA-2003-26.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2003/dsa-393"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2003/dsa-394"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/255484"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.redhat.com/support/errata/RHSA-2003-291.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2003-292.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/8732"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2006/3900"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "For Red Hat Enterprise Linux 2.1 OpenSSL packages (openssl, openssl096, openssl095a) issue was addressed via RHSA-2003:293.\n\nThe OpenSSL packages in Red Hat Enterprise Linux 3 and 4 (openssl, openssl096b) contain a backported patch since their initial release.\n\nThe OpenSSL packages in Red Hat Enterprise Linux 5 are based on fixed upstream release (openssl), or contain backported patch since their initial release (openssl097a).\n",
"lastModified": "2008-07-07T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"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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