FKIE_CVE-2003-0693
Vulnerability from fkie_nvd - Published: 2003-09-22 04:00 - Updated: 2026-06-16 22:02
Severity
Summary
A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
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"configurations": [
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"nodes": [
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"criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2E1779D8-B799-4E1A-9783-9536CF009013",
"versionEndIncluding": "3.7",
"vulnerable": true
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"negate": false,
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A \"buffer management error\" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695."
},
{
"lang": "es",
"value": "Un \"error de gesti\u00f3n de b\u00fafer\" en buffer_append_space de buffer.c de OpenSSH anteriores a 3.7 puede permitir a atacantes remotos ejecutar c\u00f3digo arbitrario causando que una cantidad incorrecta de memoria sea liberada, y corrompiendo el mont\u00f3n."
}
],
"id": "CVE-2003-0693",
"lastModified": "2026-06-16T22:02:39.420",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": true,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2003-09-22T04:00:00.000",
"references": [
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"source": "cve@mitre.org",
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{
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{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2003:090"
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{
"source": "cve@mitre.org",
"url": "http://www.openssh.com/txt/buffer.adv"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2024/07/01/3"
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{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2003-280.html"
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"url": "http://www.openssh.com/txt/buffer.adv"
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"url": "http://www.openwall.com/lists/oss-security/2024/07/01/3"
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"url": "http://www.redhat.com/support/errata/RHSA-2003-280.html"
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],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "Not vulnerable.\n\nThis flaw is fixed in Red Hat Enterprise Linux 2.1 via the errata RHSA-2003:280.\n\nThis flaw is fixed in Red Hat Enterprise Linux 3 as a backported patch. The source RPM contains the patch openssh-3.6.1p2-owl-realloc.diff which resolved this flaw before Red Hat Enterprise Linux 3 GA.\n\nThis flaw does not affect any subsequent versions of Red Hat Enterprise Linux.",
"lastModified": "2007-06-01T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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- 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.
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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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