FKIE_CVE-2007-5636
Vulnerability from fkie_nvd - Published: 2007-10-23 17:46 - Updated: 2026-06-16 22:46
Severity
Summary
Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka "extraneous messaging."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| nortel | ip_softphone_2050 | * |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nortel:ip_softphone_2050:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5A140A10-720D-4FF5-9559-184D9AC33509",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\""
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer en Nortel UNIStim IP Softphone 2050 permite a atacantes remotos provocar denegaci\u00f3n de servicio (abortar aplicaci\u00f3n) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de una inundaci\u00f3n de car\u00e1cteres no v\u00e1lidos en el puerto RTCP (5678/udp) que dispara un mensaje de error Windows, tambi\u00e9n conocido como \"mensaje extra\u00f1o\"."
}
],
"id": "CVE-2007-5636",
"lastModified": "2026-06-16T22:46:32.580",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-10-23T17:46:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://osvdb.org/38521"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/27252"
},
{
"source": "cve@mitre.org",
"url": "http://securityreason.com/securityalert/3271"
},
{
"source": "cve@mitre.org",
"url": "http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=655203"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit"
],
"url": "http://www.csnc.ch/static/advisory/csnc/nortel_UNIStim_IP_softphone_buffer-overflow_v1.0.txt"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/482476/100/0/threaded"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit"
],
"url": "http://www.securityfocus.com/bid/26118"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/3540"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37256"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/38521"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/27252"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securityreason.com/securityalert/3271"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=655203"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://www.csnc.ch/static/advisory/csnc/nortel_UNIStim_IP_softphone_buffer-overflow_v1.0.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/482476/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://www.securityfocus.com/bid/26118"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3540"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37256"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- 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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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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