USN-4122-1 (UBUNTU-CVE-2019-5849)

Vulnerability from osv_ubuntu – Published: 2019-09-04 20:46 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
firefox vulnerabilities
Details

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 obtain sensitive information, bypass Content Security Policy (CSP) protections, bypass same-origin restrictions, conduct cross-site scripting (XSS) attacks, cause a denial of service, or execute arbitrary code. (CVE-2019-5849, CVE-2019-11734, CVE-2019-11735, CVE-2019-11737, CVE-2019-11738, CVE-2019-11740, CVE-2019-11742, CVE-2019-11743, CVE-2019-11744, CVE-2019-11746, CVE-2019-11748, CVE-2019-11749, CVE-2019-11750, CVE-2019-11752)

It was discovered that a compromised content process could log in to a malicious Firefox Sync account. An attacker could potentially exploit this, in combination with another vulnerability, to disable the sandbox. (CVE-2019-9812)

It was discovered that addons.mozilla.org and accounts.firefox.com could be loaded in to the same content process. An attacker could potentially exploit this, in combination with another vulnerability that allowed a cross-site scripting (XSS) attack, to modify browser settings. (CVE-2019-11741)

It was discovered that the "Forget about this site" feature in the history pane removes HTTP Strict Transport Security (HSTS) settings for sites on the pre-load list. An attacker could potentially exploit this to bypass the protections offered by HSTS. (CVE-2019-11747)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-5849",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-9812",
              "severity": [
                {
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                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11734",
              "severity": [
                {
                  "score": "CVSS:3.1/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-2019-11735",
              "severity": [
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
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                  "score": "medium",
                  "type": "Ubuntu"
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            },
            {
              "id": "CVE-2019-11737",
              "severity": [
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                  "type": "CVSS_V3"
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                  "type": "CVSS_V3"
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            {
              "id": "CVE-2019-11742",
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              "id": "CVE-2019-11743",
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              "id": "CVE-2019-11744",
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              "id": "CVE-2019-11746",
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              "id": "CVE-2019-11747",
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              "id": "CVE-2019-5849",
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                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
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                  "type": "Ubuntu"
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              "id": "CVE-2019-9812",
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                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11734",
              "severity": [
                {
                  "score": "CVSS:3.1/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-2019-11735",
              "severity": [
                {
                  "score": "CVSS:3.1/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-2019-11737",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11738",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11740",
              "severity": [
                {
                  "score": "CVSS:3.1/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-2019-11741",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11742",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11743",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11744",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11746",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
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              "id": "CVE-2019-11747",
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11748",
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                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
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            {
              "id": "CVE-2019-11749",
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                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11750",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11752",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
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      },
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      },
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  ],
  "aliases": [],
  "details": "Multiple security issues were discovered in Firefox. If a user were\ntricked in to opening a specially crafted website, an attacker could\npotentially exploit these to obtain sensitive information, bypass Content\nSecurity Policy (CSP) protections, bypass same-origin restrictions,\nconduct cross-site scripting (XSS) attacks, cause a denial of service, or\nexecute arbitrary code. (CVE-2019-5849, CVE-2019-11734, CVE-2019-11735,\nCVE-2019-11737, CVE-2019-11738, CVE-2019-11740, CVE-2019-11742,\nCVE-2019-11743, CVE-2019-11744, CVE-2019-11746, CVE-2019-11748,\nCVE-2019-11749, CVE-2019-11750, CVE-2019-11752)\n\nIt was discovered that a compromised content process could log in to a\nmalicious Firefox Sync account. An attacker could potentially exploit\nthis, in combination with another vulnerability, to disable the sandbox.\n(CVE-2019-9812)\n\nIt was discovered that addons.mozilla.org and accounts.firefox.com could\nbe loaded in to the same content process. An attacker could potentially\nexploit this, in combination with another vulnerability that allowed a\ncross-site scripting (XSS) attack, to modify browser settings.\n(CVE-2019-11741)\n\nIt was discovered that the \"Forget about this site\" feature in the history\npane removes HTTP Strict Transport Security (HSTS) settings for sites on\nthe pre-load list. An attacker could potentially exploit this to bypass\nthe protections offered by HSTS. (CVE-2019-11747)\n",
  "id": "USN-4122-1",
  "modified": "2026-04-22T07:36:37Z",
  "published": "2019-09-04T20:46:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4122-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-5849"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-9812"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11734"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11735"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11737"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11738"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11740"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11741"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11742"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11743"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11744"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11746"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11747"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11748"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11749"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11750"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11752"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "firefox vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-5849",
    "UBUNTU-CVE-2019-9812",
    "UBUNTU-CVE-2019-11734",
    "UBUNTU-CVE-2019-11735",
    "UBUNTU-CVE-2019-11737",
    "UBUNTU-CVE-2019-11738",
    "UBUNTU-CVE-2019-11740",
    "UBUNTU-CVE-2019-11741",
    "UBUNTU-CVE-2019-11742",
    "UBUNTU-CVE-2019-11743",
    "UBUNTU-CVE-2019-11744",
    "UBUNTU-CVE-2019-11746",
    "UBUNTU-CVE-2019-11747",
    "UBUNTU-CVE-2019-11748",
    "UBUNTU-CVE-2019-11749",
    "UBUNTU-CVE-2019-11750",
    "UBUNTU-CVE-2019-11752"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.