FKIE_CVE-2007-2926
Vulnerability from fkie_nvd - Published: 2007-07-24 17:30 - Updated: 2026-04-23 00:35
Severity ?
Summary
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.
References
{
"configurations": [
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"nodes": [
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"criteria": "cpe:2.3:a:isc:bind:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "C52373DC-3E05-424B-9C78-4092A75C75A0",
"vulnerable": true
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"vulnerable": true
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"negate": false,
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning."
},
{
"lang": "es",
"value": "ISC BIND 9 hasta 9.5.0a5 utiliza un n\u00famero aleatorio debil a lo largo de la generaci\u00f3n de la consulta DNS ids cuando se responde la pregunta a resolver o enviando mensajes NOTIFY a servidores de nombre esclavos, lo cual hace m\u00e1s f\u00e1cil para atacantes remotos para adivinar la siguiente consulta id y llevar a cabo envenenamientos de la cache DNS."
}
],
"id": "CVE-2007-2926",
"lastModified": "2026-04-23T00:35:47.467",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-07-24T17:30:00.000",
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{
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{
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"url": "http://www.vupen.com/english/advisories/2007/2932"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3242"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3868"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35575"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://issues.rpath.com/browse/RPL-1587"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10293"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2226"
}
],
"sourceIdentifier": "cret@cert.org",
"vendorComments": [
{
"comment": "Updates are available for Red Hat Enterprise Linux 2.1, 3, 4, and 5 to correct this issue:\nhttp://rhn.redhat.com/errata/RHSA-2007-0740.html",
"lastModified": "2008-03-28T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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