fkie_cve-2006-6931
Vulnerability from fkie_nvd
Published
2007-01-16 23:28
Modified
2025-04-09 00:30
Severity ?
Summary
Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*",
"matchCriteriaId": "020FACB7-031C-43A3-A138-61E0C24F467D",
"versionEndIncluding": "2.6.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a \"backtracking attack.\""
},
{
"lang": "es",
"value": "Vulnerabilidad de complejidad algor\u00edtmica en Snort anterior a 2.6.1, durante la evaluaci\u00f3n de un predicado en el chequeo de reglas para ciertas reglas, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU y parada de detecci\u00f3n) mediante tr\u00e1fico de red manipulado, tambi\u00e9n conocido como un \"ataque de vuelta hacia atr\u00e1s\" (backtracking attack)."
}
],
"id": "CVE-2006-6931",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-01-16T23:28:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/23716"
},
{
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},
{
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"url": "http://secunia.com/advisories/24338"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-200702-03.xml"
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{
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"url": "http://securitytracker.com/id?1017508"
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{
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"url": "http://www.acsac.org/2006/abstracts/54.html"
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{
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{
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"url": "http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf"
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:051"
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{
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"url": "http://www.osvdb.org/32096"
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{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/21991"
},
{
"source": "cve@mitre.org",
"url": "http://www.snort.org/pub-bin/snortnews.cgi"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/31430"
},
{
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"url": "http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html"
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{
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{
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"url": "http://secunia.com/advisories/24164"
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"url": "http://security.gentoo.org/glsa/glsa-200702-03.xml"
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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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"url": "http://www.osvdb.org/32096"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/21991"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.snort.org/pub-bin/snortnews.cgi"
},
{
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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