CVE-2011-3481 (GCVE-0-2011-3481)
Vulnerability from cvelistv5 – Published: 2011-09-14 17:00 – Updated: 2024-08-06 23:37
VLAI
EPSS
VEX
Summary
The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://git.cyrusimap.org/cyrus-imapd/commit/?id=6… | x_refsource_CONFIRM |
| http://bugzilla.cyrusimap.org/show_bug.cgi?id=3463 | x_refsource_CONFIRM |
| http://bugzilla.cyrusimap.org/show_bug.cgi?id=2772 | x_refsource_CONFIRM |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://www.redhat.com/support/errata/RHSA-2011-15… | vendor-advisoryx_refsource_REDHAT |
| http://www.mandriva.com/security/advisories?name=… | vendor-advisoryx_refsource_MANDRIVA |
Date Public
2011-09-08 00:00
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message."
},
{
"lang": "es",
"value": "La funci\u00f3n index_get_ids en index.c en imapd del Servidor Cyrus IMAP antes de la versi\u00f3n v2.4.11, cuando multihilo en elado del servidor est\u00e1 activado, permite a atacantes remotos causar una denegaci\u00f3n de servicio (puntero a NULL y ca\u00edda del demonio) a trav\u00e9s de una cabecera \u0027References\u0027 debidamente modifcada en un mensaje de correo electr\u00f3nico."
}
],
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
"id": "CVE-2011-3481",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-09-14T17:17:07.443",
"references": [
{
"source": "cve@mitre.org",
"url": "http://bugzilla.cyrusimap.org/show_bug.cgi?id=2772"
},
{
"source": "cve@mitre.org",
"url": "http://bugzilla.cyrusimap.org/show_bug.cgi?id=3463"
},
{
"source": "cve@mitre.org",
"tags": [
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],
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},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:037"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1508.html"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69842"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugzilla.cyrusimap.org/show_bug.cgi?id=2772"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugzilla.cyrusimap.org/show_bug.cgi?id=3463"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://git.cyrusimap.org/cyrus-imapd/commit/?id=6e776956a1a9dfa58eacdd0ddd52644009eac9e5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:037"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1508.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69842"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:55:50+00:00",
"cve": "CVE-2011-3481",
"id": "CVE-2011-3481",
"initial_release_date": "2011-01-01T00:00:00+00:00",
"product_status:fixed": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "cyrus-imapd: NULL pointer dereference via crafted References header in email",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-3481.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2025-04-25T13:43:39Z",
"cve": "CVE-2011-3481",
"id": "CVE-2011-3481",
"initial_release_date": "2023-02-15T05:50:53Z",
"product_status:recommended": "3",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-3481",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-3481.json",
"version": "6"
}
}
}
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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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