GSD-2023-22415
Vulnerability from gsd - Updated: 2023-12-13 01:20Details
An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-22415",
"id": "GSD-2023-22415"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.",
"id": "GSD-2023-22415",
"modified": "2023-12-13T01:20:43.032529Z",
"schema_version": "1.4.0"
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"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2023-01-11T17:00:00.000Z",
"ID": "CVE-2023-22415",
"STATE": "PUBLIC",
"TITLE": "Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash when specific H.323 packets are received"
},
"affects": {
"vendor": {
"vendor_data": [
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"product": {
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"product_name": "Junos OS",
"version": {
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"platform": "MX Series, SRX Series",
"version_affected": "\u003c",
"version_value": "19.4R3-S10"
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{
"platform": "MX Series, SRX Series",
"version_affected": "\u003c",
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"version_affected": "\u003c",
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"vendor_name": "Juniper Networks"
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"configuration": [
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"lang": "eng",
"value": "To be affected the H.323 ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify with:\n\nCheck if H.323 ALG is enabled by default with:\n user@host\u003e show security alg status | match H323\n H323 : Enabled\n\nConfigure H.323 ALG to receive incoming calls with following commands.\n [set interfaces ge-0/0/0 unit 0 family inet address 10.1.1.1/24]\n [set interfaces ge-0/0/1 unit 0 family inet address 172.16.1.1/24]\n [set security zones security-zone private address-book address IP-Phone1 10.1.1.5/32] \n [set security zones security-zone private address-book address gatekeeper 10.1.1.25/32 ]\n [set security zones security-zone private interfaces ge-0/0/0.0 ]\n [set security zones security-zone public address-book address IP-Phone2 172.16.1.5/32 ]\n [set security zones security-zone public interfaces ge-0/0/1.0]\n [set security policies from-zone private to-zone public policy private-to-public match source-address IP-Phone1 ]\n [set security policies from-zone private to-zone public policy private-to-public match source-address gatekeeper ]\n [set security policies from-zone private to-zone public policy private-to-public match destination-address IP-Phone2 ]\n [set security policies from-zone private to-zone public policy private-to-public match application junos-h323 ]\n [set security policies from-zone private to-zone public policy private-to-public then permit ]\n [set security policies from-zone public to-zone private policy public-to-private match source-address IP-Phone2 ]\n [set security policies from-zone public to-zone private policy public-to-private match destination-address IP-Phone1 ]\n [set security policies from-zone public to-zone private policy public-to-private match destination-address gatekeeper]\n [set security policies from-zone public to-zone private policy public-to-private match application junos-h323 ]\n [set security policies from-zone public to-zone private policy public-to-private then permit ]\n"
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"lang": "eng",
"value": "An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2."
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"exploit": [
{
"lang": "eng",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"problemtype": {
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{
"description": [
{
"lang": "eng",
"value": "CWE-787 Out-of-bounds Write"
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},
{
"description": [
{
"lang": "eng",
"value": "Denial of Service (DoS)"
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]
}
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},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA70211",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA70211"
}
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},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue: 19.4R3-S10, 20.2R3-S6, 20.3R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S3, 21.4R3, 22.1R2-S1, 22.1R3, 22.2R1-S2, 22.2R2, 22.3R1, and all subsequent releases."
}
],
"source": {
"advisory": "JSA70211",
"defect": [
"1666996"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "eng",
"value": "There are no known workarounds for this issue, but it should be considered to disable the H.323 ALG if it\u0027s not strictly needed."
}
]
},
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"cve": {
"CVE_data_meta": {
"ASSIGNER": "sirt@juniper.net",
"ID": "CVE-2023-22415"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA70211",
"refsource": "CONFIRM",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://kb.juniper.net/JSA70211"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-01-20T17:54Z",
"publishedDate": "2023-01-13T00:15Z"
}
}
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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