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vuln-ubuntu/data/osv/usn/USN-4557-1.json
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{
"schema_version": "1.7.0",
"id": "USN-4557-1",
"summary": "tomcat6 vulnerabilities",
"details": "It was discovered that the Tomcat realm implementations incorrectly handled\npasswords when a username didn't exist. A remote attacker could possibly\nuse this issue to enumerate usernames. (CVE-2016-0762)\n\nAlvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly\nlimited use of a certain utility method. A malicious application could\npossibly use this to bypass Security Manager restrictions. (CVE-2016-5018)\n\nIt was discovered that Tomcat incorrectly controlled reading system\nproperties. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. (CVE-2016-6794)\n\nIt was discovered that Tomcat incorrectly controlled certain configuration\nparameters. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. (CVE-2016-6796)\n\nIt was discovered that Tomcat incorrectly limited access to global JNDI\nresources. A malicious application could use this to access any global JNDI\nresource without an explicit ResourceLink. (CVE-2016-6797)\n\nRegis Leroy discovered that Tomcat incorrectly filtered certain invalid\ncharacters from the HTTP request line. A remote attacker could possibly\nuse this issue to inject data into HTTP responses. (CVE-2016-6816)\n\nPierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not\nimplement a recommended fix. A remote attacker could possibly use this\nissue to execute arbitrary code. (CVE-2016-8735)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2016-0762",
"UBUNTU-CVE-2016-5018",
"UBUNTU-CVE-2016-6794",
"UBUNTU-CVE-2016-6796",
"UBUNTU-CVE-2016-6797",
"UBUNTU-CVE-2016-6816",
"UBUNTU-CVE-2016-8735"
],
"related": [],
"published": "2020-09-30T12:55:19Z",
"modified": "2026-04-27T14:11:25Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "tomcat6",
"purl": "pkg:deb/ubuntu/tomcat6@6.0.45+dfsg-1ubuntu0.1?arch=source&distro=xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.45+dfsg-1ubuntu0.1"
}
]
}
],
"versions": [
"6.0.41-4",
"6.0.45+dfsg-1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libservlet2.5-java",
"binary_version": "6.0.45+dfsg-1ubuntu0.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:16.04:LTS",
"cves": [
{
"id": "CVE-2016-0762",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2016-6794",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2016-6796",
"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": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2016-6797",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2016-6816",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2016-8735",
"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:3.1/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": "high"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4557-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-0762"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-5018"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-6794"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-6796"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-6797"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-6816"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-8735"
}
]
}