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vuln-cve/data/2019/0xxx/CVE-2019-0053.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2019-0053",
"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"assignerShortName": "juniper",
"dateUpdated": "2024-09-16T19:15:29.698Z",
"dateReserved": "2018-10-11T00:00:00.000Z",
"datePublished": "2019-07-11T19:40:52.382Z"
},
"containers": {
"cna": {
"title": "Junos OS: Insufficient validation of environment variables in telnet client may lead to stack-based buffer overflow",
"datePublic": "2019-07-10T00:00:00.000Z",
"providerMetadata": {
"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"shortName": "juniper",
"dateUpdated": "2024-01-02T00:17:56.689Z"
},
"descriptions": [
{
"lang": "en",
"value": "Insufficient validation of environment variables in the telnet client supplied in Junos OS can lead to stack-based buffer overflows, which can be exploited to bypass veriexec restrictions on Junos OS. A stack-based overflow is present in the handling of environment variables when connecting via the telnet client to remote telnet servers. This issue only affects the telnet client — accessible from the CLI or shell — in Junos OS. Inbound telnet services are not affected by this issue. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D80; 14.1X53 versions prior to 14.1X53-D130, 14.1X53-D49; 15.1 versions prior to 15.1F6-S12, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D170; 15.1X53 versions prior to 15.1X53-D237, 15.1X53-D496, 15.1X53-D591, 15.1X53-D69; 16.1 versions prior to 16.1R3-S11, 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R1-S8, 17.2R2-S7, 17.2R3-S1; 17.3 versions prior to 17.3R3-S4; 17.4 versions prior to 17.4R1-S6, 17.4R2-S3, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S3; 18.2 versions prior to 18.2R1-S5, 18.2R2-S2, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S3, 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2."
}
],
"affected": [
{
"vendor": "Juniper Networks",
"product": "Junos OS",
"versions": [
{
"version": "12.3 versions prior to 12.3R12-S13",
"status": "affected"
},
{
"version": "12.3X48 versions prior to 12.3X48-D80",
"status": "affected"
},
{
"version": "14.1X53 versions prior to 14.1X53-D130 and 14.1X53-D49",
"status": "affected"
},
{
"version": "15.1 versions prior to 15.1F6-S12 and15.1R7-S4",
"status": "affected"
},
{
"version": "15.1X49 versions prior to 15.1X49-D170",
"status": "affected"
},
{
"version": "15.1X53 versions prior to 15.1X53-D237 and 15.1X53-D496 and 15.1X53-D591 and 15.1X53-D69",
"status": "affected"
},
{
"version": "16.1 versions prior to 16.1R3-S11 and 16.1R7-S4",
"status": "affected"
},
{
"version": "16.2 versions prior to 16.2R2-S9",
"status": "affected"
},
{
"version": "17.1 versions prior to 17.1R3",
"status": "affected"
},
{
"version": "17.2 versions prior to 17.2R1-S8 and 17.2R2-S7 and 17.2R3-S1",
"status": "affected"
},
{
"version": "17.3 versions prior to 17.3R3-S4",
"status": "affected"
},
{
"version": "17.4 versions prior to 17.4R1-S6 and 17.4R2-S3 and 17.4R3",
"status": "affected"
},
{
"version": "18.1 versions prior to 18.1R2-S4 and 18.1R3-S3",
"status": "affected"
},
{
"version": "18.2 versions prior to 18.2R1-S5 and 18.2R2-S2 and 18.2R3",
"status": "affected"
},
{
"version": "18.2X75 versions prior to 18.2X75-D40",
"status": "affected"
},
{
"version": "18.3 versions prior to 18.3R1-S3 and 18.3R2",
"status": "affected"
},
{
"version": "18.4 versions prior to 18.4R1-S2 and 18.4R2",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://kb.juniper.net/JSA10947"
},
{
"url": "https://www.exploit-db.com/exploits/45982"
},
{
"name": "FreeBSD-SA-19:12",
"tags": [
"vendor-advisory"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:12.telnet.asc"
},
{
"name": "20190724 FreeBSD Security Advisory FreeBSD-SA-19:12.telnet",
"tags": [
"mailing-list"
],
"url": "https://seclists.org/bugtraq/2019/Jul/45"
},
{
"url": "http://packetstormsecurity.com/files/153746/FreeBSD-Security-Advisory-FreeBSD-SA-19-12.telnet.html"
},
{
"name": "[debian-lts-announce] 20221125 [SECURITY] [DLA 3205-1] inetutils security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html"
},
{
"name": "[debian-lts-announce] 20231008 [SECURITY] [DLA 3611-1] inetutils security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00013.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00013.html"
}
],
"credits": [
{
"lang": "en",
"value": "Matthew Hickey, Hacker House (https://hacker.house/) who reported this issue on November 12, 2018."
}
],
"metrics": [
{
"cvssV3_0": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"lang": "en",
"description": "CWE-121 Stack-based Buffer Overflow",
"cweId": "CWE-121"
}
]
}
],
"x_generator": {
"engine": "Vulnogram 0.0.6"
},
"source": {
"advisory": "JSA10947",
"defect": [
"1409847"
],
"discovery": "EXTERNAL"
},
"workarounds": [
{
"lang": "en",
"value": "Since this issue is specific to outbound connections to a malicious host from the local telnet client, mitigation includes:\n* limit access to the Junos CLI and shell from only from trusted administrators\n* block outbound telnet connections\n* deny access to the telnet command and shell per user or user class"
}
],
"exploits": [
{
"lang": "en",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
}
],
"solutions": [
{
"lang": "en",
"value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S13, 12.3X48-D80, 12.3X48-D85, 14.1X53-D130, 14.1X53-D49, 15.1F6-S12, 15.1R7-S4, 15.1X49-D170, 15.1X53-D237, 15.1X53-D496, 15.1X53-D591, 15.1X53-D69, 16.1R3-S11, 16.1R7-S4, 16.2R2-S9, 17.1R3, 17.2R1-S8, 17.2R2-S7, 17.2R3-S1, 17.3R3-S4, 17.4R1-S6, 17.4R2-S3, 17.4R3, 18.1R2-S4, 18.1R3-S3, 18.2R1-S5, 18.2R2-S2, 18.2R3, 18.2X75-D40, 18.3R1-S3, 18.3R2, 18.4R1-S2, 18.4R2, 19.1R1, and all subsequent releases."
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-04T17:37:07.225Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://kb.juniper.net/JSA10947",
"tags": [
"x_transferred"
]
},
{
"url": "https://www.exploit-db.com/exploits/45982",
"tags": [
"x_transferred"
]
},
{
"name": "FreeBSD-SA-19:12",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:12.telnet.asc"
},
{
"name": "20190724 FreeBSD Security Advisory FreeBSD-SA-19:12.telnet",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Jul/45"
},
{
"url": "http://packetstormsecurity.com/files/153746/FreeBSD-Security-Advisory-FreeBSD-SA-19-12.telnet.html",
"tags": [
"x_transferred"
]
},
{
"name": "[debian-lts-announce] 20221125 [SECURITY] [DLA 3205-1] inetutils security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html"
},
{
"name": "[debian-lts-announce] 20231008 [SECURITY] [DLA 3611-1] inetutils security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00013.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00013.html",
"tags": [
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]
}
]
}
}
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