FKIE_CVE-2017-16944
Vulnerability from fkie_nvd - Published: 2017-11-25 17:29 - Updated: 2026-06-17 01:10
Severity
Summary
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
References
{
"affected": [
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"affectedData": [
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"source": "cve@mitre.org"
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"configurations": [
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a \u0027.\u0027 character signifying the end of the content, related to the bdat_getc function."
},
{
"lang": "es",
"value": "La funci\u00f3n receive_msg en receive.c en el demonio SMTP en Exim 4.88 y 4.89 permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (bucle infinito y agotamiento de pila) mediante vectores relacionados con comandos BDAT y una comprobaci\u00f3n infinita para un car\u00e1cter \".\" que implique el fin del contexto. Esto se relaciona con la funci\u00f3n bdat_getc."
}
],
"id": "CVE-2017-16944",
"lastModified": "2026-06-17T01:10:11.463",
"metrics": {
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"baseSeverity": "MEDIUM",
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"accessVector": "NETWORK",
"authentication": "NONE",
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"published": "2017-11-25T17:29:00.307",
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},
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"tags": [
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],
"url": "https://bugs.exim.org/show_bug.cgi?id=2201"
},
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"tags": [
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},
{
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"lang": "en",
"value": "CWE-835"
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"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.
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- 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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