Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, gain additional privileges by escaping the sandbox, or execute arbitrary code. (CVE-2018-18500, CVE-2018-18501, CVE-2018-18502, CVE-2018-18503, CVE-2018-18504, CVE-2018-18505)
It was discovered that Firefox allowed PAC files to specify that requests to localhost are sent through the proxy to another server. If proxy auto-detection is enabled, an attacker could potentially exploit this to conduct attacks on local services and tools. (CVE-2018-18506)
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{ "cves": [ { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18500" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18501" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18502" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18503" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18504" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18505" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/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:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18506" } ], "ecosystem": "Ubuntu:14.04:LTS" }
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{ "cves": [ { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18500" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18501" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18502" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18503" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18504" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18505" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/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:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18506" } ], "ecosystem": "Ubuntu:16.04:LTS" }
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{ "cves": [ { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18500" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18501" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18502" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18503" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18504" }, { "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18505" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/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:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2018-18506" } ], "ecosystem": "Ubuntu:18.04:LTS" }