gsd-2021-0249
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-0249",
"description": "On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:",
"id": "GSD-2021-0249"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-0249"
],
"details": "On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:",
"id": "GSD-2021-0249",
"modified": "2023-12-13T01:23:08.381663Z",
"schema_version": "1.4.0"
}
},
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"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
"ID": "CVE-2021-0249",
"STATE": "PUBLIC",
"TITLE": "Junos OS: SRX Series: A remote attacker may be able to cause a PFE buffer overflow to arbitrarily remotely execute code or commands on the target device with UTM enabled."
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
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{
"product_name": "Junos OS",
"version": {
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"platform": "SRX Series",
"version_affected": "\u003c",
"version_name": "15.1X49",
"version_value": "15.1X49-D190"
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"platform": "SRX Series",
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"platform": "SRX Series",
"version_affected": "\u003e=",
"version_name": "17.4",
"version_value": "17.4R3"
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{
"platform": "SRX Series",
"version_affected": "\u003c",
"version_name": "18.1",
"version_value": "18.1R3-S9"
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{
"platform": "SRX Series",
"version_affected": "\u003c",
"version_name": "18.2",
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{
"platform": "SRX Series",
"version_affected": "\u003c",
"version_name": "19.2",
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"lang": "eng",
"value": "The following minimal configuration is required to be potentially exposed to this issue: \n [security utm] \n"
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"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:"
}
]
},
"exploit": [
{
"lang": "eng",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
}
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"generator": {
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"impact": {
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"problemtype": {
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"description": [
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"lang": "eng",
"value": "Remote Code Execution"
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"description": [
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"lang": "eng",
"value": "Remote Command Execution"
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"description": [
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{
"description": [
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{
"description": [
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"value": "CWE-120 Buffer Overflow"
}
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}
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},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA11142",
"refsource": "MISC",
"url": "https://kb.juniper.net/JSA11142"
}
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},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue: 15.1X49-D190, 17.4R2-S9, 18.1R3-S9, 18.2R3-S1, 18.3R2-S3, 18.3R3, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2, 19.2R1-S1, 19.2R2, 19.3R1, and all subsequent releases.\n\n"
}
],
"source": {
"advisory": "JSA11142",
"defect": [
"1441366"
],
"discovery": "INTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "There are no available workarounds for this issue other than disabling UTM services.\n"
}
]
},
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"cve": {
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"ID": "CVE-2021-0249"
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"data_type": "CVE",
"data_version": "4.0",
"description": {
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"lang": "en",
"value": "On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:"
}
]
},
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{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
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}
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},
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{
"name": "https://kb.juniper.net/JSA11142",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
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"url": "https://kb.juniper.net/JSA11142"
}
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
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"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
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"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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},
"lastModifiedDate": "2021-04-27T14:39Z",
"publishedDate": "2021-04-22T20:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.