GSD-2011-4597
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2011-4597",
"description": "The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.",
"id": "GSD-2011-4597",
"references": [
"https://www.debian.org/security/2011/dsa-2367",
"https://packetstormsecurity.com/files/cve/CVE-2011-4597"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2011-4597"
],
"details": "The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.",
"id": "GSD-2011-4597",
"modified": "2023-12-13T01:19:05.464332Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2011-4597",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "n/a"
}
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}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html",
"refsource": "MISC",
"url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html"
},
{
"name": "http://downloads.asterisk.org/pub/security/AST-2011-013.html",
"refsource": "MISC",
"url": "http://downloads.asterisk.org/pub/security/AST-2011-013.html"
},
{
"name": "http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html",
"refsource": "MISC",
"url": "http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html"
},
{
"name": "http://openwall.com/lists/oss-security/2011/12/09/3",
"refsource": "MISC",
"url": "http://openwall.com/lists/oss-security/2011/12/09/3"
},
{
"name": "http://openwall.com/lists/oss-security/2011/12/09/4",
"refsource": "MISC",
"url": "http://openwall.com/lists/oss-security/2011/12/09/4"
},
{
"name": "http://osvdb.org/77597",
"refsource": "MISC",
"url": "http://osvdb.org/77597"
},
{
"name": "http://secunia.com/advisories/47273",
"refsource": "MISC",
"url": "http://secunia.com/advisories/47273"
},
{
"name": "http://www.debian.org/security/2011/dsa-2367",
"refsource": "MISC",
"url": "http://www.debian.org/security/2011/dsa-2367"
}
]
}
},
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],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2011-4597"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://downloads.asterisk.org/pub/security/AST-2011-013.html",
"refsource": "CONFIRM",
"tags": [],
"url": "http://downloads.asterisk.org/pub/security/AST-2011-013.html"
},
{
"name": "[oss-security] 20111209 Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014",
"refsource": "MLIST",
"tags": [],
"url": "http://openwall.com/lists/oss-security/2011/12/09/4"
},
{
"name": "[oss-security] 20111209 CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014",
"refsource": "MLIST",
"tags": [],
"url": "http://openwall.com/lists/oss-security/2011/12/09/3"
},
{
"name": "47273",
"refsource": "SECUNIA",
"tags": [],
"url": "http://secunia.com/advisories/47273"
},
{
"name": "77597",
"refsource": "OSVDB",
"tags": [],
"url": "http://osvdb.org/77597"
},
{
"name": "[asterisk-dev] 20111108 Summary: SIP, NAT, security concerns, oh my!",
"refsource": "MLIST",
"tags": [],
"url": "http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html"
},
{
"name": "DSA-2367",
"refsource": "DEBIAN",
"tags": [],
"url": "http://www.debian.org/security/2011/dsa-2367"
},
{
"name": "20111222 Exploit for Asterisk Security Advisory AST-2011-013",
"refsource": "BUGTRAQ",
"tags": [],
"url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2012-11-06T05:04Z",
"publishedDate": "2011-12-15T03:57Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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