FKIE_CVE-2011-1926
Vulnerability from fkie_nvd - Published: 2011-05-23 22:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
References
Impacted products
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411."
},
{
"lang": "es",
"value": "La implementaci\u00f3n STARTTLS en Cyrus IMAP Server anterior a v2.4.7 no restringe adecuadamente el b\u00fafer de Entrada/Salida, lo que permite ataques \"man-in-the-middle\" para insertar comandos en sesiones cifradas enviando un comando en texto claro que se procesa despu\u00e9s de TLS en su lugar, relacionado con un ataque \"inyecci\u00f3n de comandos de texto claro\", una tarea similar a CVE-2011-0411."
}
],
"id": "CVE-2011-1926",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"exploitabilityScore": 4.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
"type": "Primary",
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},
"published": "2011-05-23T22:55:01.490",
"references": [
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"source": "secalert@redhat.com",
"tags": [
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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