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vuln-ubuntu/data/osv/usn/USN-2783-1.json
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{
"schema_version": "1.7.0",
"id": "USN-2783-1",
"summary": "ntp vulnerabilities",
"details": "Aleksis Kauppinen discovered that NTP incorrectly handled certain remote\nconfig packets. In a non-default configuration, a remote authenticated\nattacker could possibly use this issue to cause NTP to crash, resulting in\na denial of service. (CVE-2015-5146)\n\nMiroslav Lichvar discovered that NTP incorrectly handled logconfig\ndirectives. In a non-default configuration, a remote authenticated attacker\ncould possibly use this issue to cause NTP to crash, resulting in a denial\nof service. (CVE-2015-5194)\n\nMiroslav Lichvar discovered that NTP incorrectly handled certain statistics\ntypes. In a non-default configuration, a remote authenticated attacker\ncould possibly use this issue to cause NTP to crash, resulting in a denial\nof service. (CVE-2015-5195)\n\nMiroslav Lichvar discovered that NTP incorrectly handled certain file\npaths. In a non-default configuration, a remote authenticated attacker\ncould possibly use this issue to cause NTP to crash, resulting in a denial\nof service, or overwrite certain files. (CVE-2015-5196, CVE-2015-7703)\n\nMiroslav Lichvar discovered that NTP incorrectly handled certain packets.\nA remote attacker could possibly use this issue to cause NTP to hang,\nresulting in a denial of service. (CVE-2015-5219)\n\nAanchal Malhotra, Isaac E. Cohen, and Sharon Goldberg discovered that NTP\nincorrectly handled restarting after hitting a panic threshold. A remote\nattacker could possibly use this issue to alter the system time on clients.\n(CVE-2015-5300)\n\nIt was discovered that NTP incorrectly handled autokey data packets. A\nremote attacker could possibly use this issue to cause NTP to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2015-7691, CVE-2015-7692, CVE-2015-7702)\n\nIt was discovered that NTP incorrectly handled memory when processing\ncertain autokey messages. A remote attacker could possibly use this issue\nto cause NTP to consume memory, resulting in a denial of service.\n(CVE-2015-7701)\n\nAanchal Malhotra, Isaac E. Cohen, and Sharon Goldberg discovered that NTP\nincorrectly handled rate limiting. A remote attacker could possibly use\nthis issue to cause clients to stop updating their clock. (CVE-2015-7704,\nCVE-2015-7705)\n\nYves Younan discovered that NTP incorrectly handled logfile and keyfile\ndirectives. In a non-default configuration, a remote authenticated attacker\ncould possibly use this issue to cause NTP to enter a loop, resulting in a\ndenial of service. (CVE-2015-7850)\n\nYves Younan and Aleksander Nikolich discovered that NTP incorrectly handled\nascii conversion. A remote attacker could possibly use this issue to cause\nNTP to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2015-7852)\n\nYves Younan discovered that NTP incorrectly handled reference clock memory.\nA malicious refclock could possibly use this issue to cause NTP to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2015-7853)\n\nJohn D \"Doug\" Birdwell discovered that NTP incorrectly handled decoding\ncertain bogus values. An attacker could possibly use this issue to cause\nNTP to crash, resulting in a denial of service. (CVE-2015-7855)\n\nStephen Gray discovered that NTP incorrectly handled symmetric association\nauthentication. A remote attacker could use this issue to possibly bypass\nauthentication and alter the system clock. (CVE-2015-7871)\n\nIn the default installation, attackers would be isolated by the NTP\nAppArmor profile.\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2015-5146",
"UBUNTU-CVE-2015-5194",
"UBUNTU-CVE-2015-5195",
"UBUNTU-CVE-2015-5196",
"UBUNTU-CVE-2015-5219",
"UBUNTU-CVE-2015-5300",
"UBUNTU-CVE-2015-7691",
"UBUNTU-CVE-2015-7692",
"UBUNTU-CVE-2015-7701",
"UBUNTU-CVE-2015-7702",
"UBUNTU-CVE-2015-7703",
"UBUNTU-CVE-2015-7704",
"UBUNTU-CVE-2015-7705",
"UBUNTU-CVE-2015-7850",
"UBUNTU-CVE-2015-7852",
"UBUNTU-CVE-2015-7853",
"UBUNTU-CVE-2015-7855",
"UBUNTU-CVE-2015-7871"
],
"related": [],
"published": "2015-10-27T17:02:35Z",
"modified": "2026-02-10T04:40:56Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "ntp",
"purl": "pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.5?arch=source&distro=trusty"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5"
}
]
}
],
"versions": [
"1:4.2.6.p5+dfsg-3ubuntu2",
"1:4.2.6.p5+dfsg-3ubuntu2.14.04.1",
"1:4.2.6.p5+dfsg-3ubuntu2.14.04.2",
"1:4.2.6.p5+dfsg-3ubuntu2.14.04.3"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ntp",
"binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5"
},
{
"binary_name": "ntpdate",
"binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:14.04:LTS",
"cves": [
{
"id": "CVE-2015-5146",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2015-5194",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "negligible"
}
]
},
{
"id": "CVE-2015-5195",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "negligible"
}
]
},
{
"id": "CVE-2015-5196",
"severity": [
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2015-5219",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2015-5300",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7691",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7692",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7701",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7702",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7703",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7704",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7705",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7850",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7852",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7853",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7855",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-7871",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2783-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5146"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5194"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5195"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5196"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5219"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-5300"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7691"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7692"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7701"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7702"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7703"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7704"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7705"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7850"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7852"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7853"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7855"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-7871"
}
]
}