FKIE_CVE-2009-1890
Vulnerability from fkie_nvd - Published: 2009-07-05 16:30 - Updated: 2026-06-16 23:08
Severity
Summary
The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apache | http_server | * | |
| fedoraproject | fedora | 11 | |
| debian | debian_linux | 4.0 | |
| debian | debian_linux | 5.0 | |
| debian | debian_linux | 6.0 | |
| canonical | ubuntu_linux | 6.06 | |
| canonical | ubuntu_linux | 8.04 | |
| canonical | ubuntu_linux | 8.10 | |
| canonical | ubuntu_linux | 9.04 | |
| redhat | enterprise_linux_desktop | 5.0 | |
| redhat | enterprise_linux_eus | 5.3 | |
| redhat | enterprise_linux_server | 5.0 | |
| redhat | enterprise_linux_server_aus | 5.3 | |
| redhat | enterprise_linux_workstation | 5.0 |
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"value": "La funci\u00f3n stream_reqbody_cl de mod_proxy_http.c en el m\u00f3dulo mod_proxy del Servidor HTTP de Apache anterior a v2.3.3, cuando est\u00e1 configurado un proxy inverso, no maneja adecuadamente un flujo de datos que exceda el valor de Content-Length (Longitud del Contenido), esto permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de la CPU) a trav\u00e9s de una solicitud manipulada."
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"lastModified": "2026-06-16T23:08:17.460",
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"tags": [
"Third Party Advisory"
],
"url": "http://www.redhat.com/support/errata/RHSA-2009-1156.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/archive/1/507852/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/archive/1/507857/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/35565"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id?1022509"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-802-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2009/3184"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E"
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{
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{
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8616"
},
{
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01363.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"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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