GSD-2008-1148
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A certain pseudo-random number generator (PRNG) algorithm that uses ADD with 0 random hops (aka "Algorithm A0"), as used in OpenBSD 3.5 through 4.2 and NetBSD 1.6.2 through 4.0, allows remote attackers to guess sensitive values such as (1) DNS transaction IDs or (2) IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning, injection into TCP packets, and OS fingerprinting.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2008-1148",
"description": "A certain pseudo-random number generator (PRNG) algorithm that uses ADD with 0 random hops (aka \"Algorithm A0\"), as used in OpenBSD 3.5 through 4.2 and NetBSD 1.6.2 through 4.0, allows remote attackers to guess sensitive values such as (1) DNS transaction IDs or (2) IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning, injection into TCP packets, and OS fingerprinting.",
"id": "GSD-2008-1148"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "A certain pseudo-random number generator (PRNG) algorithm that uses ADD with 0 random hops (aka \"Algorithm A0\"), as used in OpenBSD 3.5 through 4.2 and NetBSD 1.6.2 through 4.0, allows remote attackers to guess sensitive values such as (1) DNS transaction IDs or (2) IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning, injection into TCP packets, and OS fingerprinting.",
"id": "GSD-2008-1148",
"modified": "2023-12-13T01:23:03.440579Z",
"schema_version": "1.4.0"
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"value": "A certain pseudo-random number generator (PRNG) algorithm that uses ADD with 0 random hops (aka \"Algorithm A0\"), as used in OpenBSD 3.5 through 4.2 and NetBSD 1.6.2 through 4.0, allows remote attackers to guess sensitive values such as (1) DNS transaction IDs or (2) IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning, injection into TCP packets, and OS fingerprinting."
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{
"name": "20080206 A paper by Amit Klein (Trusteer): \"OpenBSD DNS Cache Poisoning and Multiple O/S Predictable IP ID Vulnerability\"",
"refsource": "BUGTRAQ",
"url": "http://www.securityfocus.com/archive/1/487658"
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{
"name": "openbsd-add-weak-security(41157)",
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41157"
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{
"name": "http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf",
"refsource": "MISC",
"url": "http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf"
},
{
"name": "http://www.securiteam.com/securityreviews/5PP0H0UNGW.html",
"refsource": "MISC",
"url": "http://www.securiteam.com/securityreviews/5PP0H0UNGW.html"
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{
"name": "openbsd-prng-dns-spoofing(40329)",
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/40329"
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"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2008-1148"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A certain pseudo-random number generator (PRNG) algorithm that uses ADD with 0 random hops (aka \"Algorithm A0\"), as used in OpenBSD 3.5 through 4.2 and NetBSD 1.6.2 through 4.0, allows remote attackers to guess sensitive values such as (1) DNS transaction IDs or (2) IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning, injection into TCP packets, and OS fingerprinting."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf",
"refsource": "MISC",
"tags": [],
"url": "http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf"
},
{
"name": "http://www.securiteam.com/securityreviews/5PP0H0UNGW.html",
"refsource": "MISC",
"tags": [],
"url": "http://www.securiteam.com/securityreviews/5PP0H0UNGW.html"
},
{
"name": "20080206 A paper by Amit Klein (Trusteer): \"OpenBSD DNS Cache Poisoning and Multiple O/S Predictable IP ID Vulnerability\"",
"refsource": "BUGTRAQ",
"tags": [],
"url": "http://www.securityfocus.com/archive/1/487658"
},
{
"name": "27647",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/27647"
},
{
"name": "28819",
"refsource": "SECUNIA",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/28819"
},
{
"name": "openbsd-add-weak-security(41157)",
"refsource": "XF",
"tags": [],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41157"
},
{
"name": "openbsd-prng-dns-spoofing(40329)",
"refsource": "XF",
"tags": [],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/40329"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
}
},
"lastModifiedDate": "2017-08-08T01:29Z",
"publishedDate": "2008-03-04T23:44Z"
}
}
}
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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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