FKIE_CVE-2007-2297
Vulnerability from fkie_nvd - Published: 2007-04-26 20:19 - Updated: 2026-04-23 00:35
Severity
Summary
The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| asterisk | asterisk | 1.2.0_beta1 | |
| asterisk | asterisk | 1.2.0_beta2 | |
| asterisk | asterisk | 1.2.10 | |
| asterisk | asterisk | 1.2.11 | |
| asterisk | asterisk | 1.2.12 | |
| asterisk | asterisk | 1.2.13 | |
| asterisk | asterisk | 1.2.14 | |
| asterisk | asterisk | 1.2.15 | |
| asterisk | asterisk | 1.2.16 | |
| asterisk | asterisk | 1.2.17 | |
| asterisk | asterisk | 1.4.1 | |
| asterisk | asterisk | 1.4.2 | |
| asterisk | asterisk | 1.4_beta |
{
"configurations": [
{
"nodes": [
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash)."
},
{
"lang": "es",
"value": "El SIP channel driver (chan_sip) del Asterisk anterior al 1.2.18 y el 1.4.x anterior al 1.4.3 no analiza sint\u00e1cticamente de forma correcta los paquetes SIP UDP que no contienen un c\u00f3digo de respuesta v\u00e1lido, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda)."
}
],
"id": "CVE-2007-2297",
"lastModified": "2026-04-23T00:35:47.467",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-04-26T20:19:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://bugs.digium.com/view.php?id=9313"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/25582"
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{
"source": "cve@mitre.org",
"url": "http://securityreason.com/securityalert/2644"
},
{
"source": "cve@mitre.org",
"url": "http://www.asterisk.org/files/ASA-2007-011.pdf"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2007/dsa-1358"
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{
"source": "cve@mitre.org",
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{
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"url": "http://www.securityfocus.com/archive/1/466882/100/0/threaded"
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{
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"url": "http://www.securityfocus.com/bid/24359"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "http://www.securitytracker.com/id?1017954"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33892"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugs.digium.com/view.php?id=9313"
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{
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"url": "http://secunia.com/advisories/25582"
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{
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"url": "http://securityreason.com/securityalert/2644"
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{
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"url": "http://www.asterisk.org/files/ASA-2007-011.pdf"
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{
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"url": "http://www.debian.org/security/2007/dsa-1358"
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"url": "http://www.securityfocus.com/archive/1/466882/100/0/threaded"
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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