gsd-2021-0218
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command 'request system license update' via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S2, 20.2R2.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-0218",
"description": "A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command \u0027request system license update\u0027 via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S2, 20.2R2.",
"id": "GSD-2021-0218"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-0218"
],
"details": "A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command \u0027request system license update\u0027 via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S2, 20.2R2.",
"id": "GSD-2021-0218",
"modified": "2023-12-13T01:23:07.792566Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2021-01-13T17:00:00.000Z",
"ID": "CVE-2021-0218",
"STATE": "PUBLIC",
"TITLE": "Junos OS: Command injection vulnerability in license-check daemon"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
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"version_name": "17.3",
"version_value": "17.3R3-S9"
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{
"version_affected": "\u003c",
"version_name": "17.4",
"version_value": "17.4R2-S12, 17.4R3-S3"
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{
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"version_name": "18.1",
"version_value": "18.1R3-S11"
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{
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"version_name": "18.2",
"version_value": "18.2R3-S6"
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{
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"version_name": "18.3",
"version_value": "18.3R3-S4"
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{
"version_affected": "\u003c",
"version_name": "18.4",
"version_value": "18.4R3-S6"
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{
"version_affected": "\u003c",
"version_name": "19.1",
"version_value": "19.1R1-S6, 19.1R2-S2, 19.1R3-S3"
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{
"version_affected": "\u003c",
"version_name": "19.2",
"version_value": "19.2R3-S1"
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{
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"version_name": "19.3",
"version_value": "19.3R2-S5, 19.3R3"
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{
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"version_name": "19.4",
"version_value": "19.4R2-S2, 19.4R3"
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{
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"version_name": "20.1",
"version_value": "20.1R1-S4, 20.1R2"
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{
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"version_name": "20.2",
"version_value": "20.2R1-S2, 20.2R2"
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{
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"version_value": "16.1R1"
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"vendor_name": "Juniper Networks"
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"credit": [
{
"lang": "eng",
"value": "Juniper SIRT would like to acknowledge and thank Ho\u00e0ng Th\u1ea1ch Nguy\u1ec5n (d4rkn3ss) of STAR Labs for responsibly reporting this vulnerability."
}
],
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"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command \u0027request system license update\u0027 via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S2, 20.2R2."
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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": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-78 OS Command Injection"
}
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}
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},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA11108",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA11108"
}
]
},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S9, 17.4R2-S12, 17.4R3-S3, 18.1R3-S11, 18.2R3-S6, 18.3R3-S4, 18.4R3-S6, 19.1R1-S6, 19.1R2-S2, 19.1R3-S3, 19.2R3-S1, 19.3R2-S5, 19.3R3, 19.4R2-S2, 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1-S2, 20.2R2, 20.3R1, and all subsequent releases.\n"
}
],
"source": {
"advisory": "JSA11108",
"defect": [
"1519336"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "Use access lists or firewall filters to limit CLI access to the device only from trusted, administrative networks or hosts.\n\nLimit access to the Junos OS CLI to only trusted system administrators.\n\nRestrict access to the \u0027request system license update\u0027 CLI command.\n"
}
]
},
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"operator": "OR"
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]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "sirt@juniper.net",
"ID": "CVE-2021-0218"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user executes the command \u0027request system license update\u0027 via the CLI. An attacker with access to this CLI command may be able to exploit the vulnerability. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S6; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S2, 20.2R2."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA11108",
"refsource": "CONFIRM",
"tags": [
"Vendor Advisory"
],
"url": "https://kb.juniper.net/JSA11108"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2021-02-05T16:49Z",
"publishedDate": "2021-01-15T18:15Z"
}
}
}
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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.