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CVE-2017-7814

CVE-2017-7814

This page contains facts from public vulnerability sources. Check the original advisory before updating.

File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise be detected as suspicious. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CVSS 7.8 · High · EPSS 1.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • firefox

    Versions
    • ≥ unspecified, < 56: Affected (custom)

    Update to 56

  • firefox esr

    Versions
    • ≥ unspecified, < 52.4: Affected (custom)

    Update to 52.4

  • thunderbird

    Versions
    • ≥ unspecified, < 52.4: Affected (custom)

    Update to 52.4

  • firefox-esr Debian:12

    Affected ranges
    • ECOSYSTEM: < 52.4.0esr-2

    Update to 52.4.0esr-2

  • firefox-esr Debian:13

    Affected ranges
    • ECOSYSTEM: < 52.4.0esr-2

    Update to 52.4.0esr-2

  • firefox-esr Debian:14

    Affected ranges
    • ECOSYSTEM: < 52.4.0esr-2

    Update to 52.4.0esr-2

  • thunderbird Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:52.4.0-1

    Update to 1:52.4.0-1

  • thunderbird Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:52.4.0-1

    Update to 1:52.4.0-1

  • thunderbird Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:52.4.0-1

    Update to 1:52.4.0-1

  • firefox Ubuntu:14.04:LTS

    Versions
    • 24.0+build1-0ubuntu1
    • 25.0+build3-0ubuntu0.13.10.1
    • 28.0~b2+build1-0ubuntu2
    • 28.0+build1-0ubuntu1
    • 28.0+build2-0ubuntu1
    • 28.0+build2-0ubuntu2
    • 29.0+build1-0ubuntu0.14.04.2
    • 30.0+build1-0ubuntu0.14.04.3
    • 31.0+build1-0ubuntu0.14.04.1
    • 32.0+build1-0ubuntu0.14.04.1
    • 32.0.3+build1-0ubuntu0.14.04.1
    • 33.0+build2-0ubuntu0.14.04.1
    • 34.0+build2-0ubuntu0.14.04.1
    • 35.0+build3-0ubuntu0.14.04.2
    • 35.0.1+build1-0ubuntu0.14.04.1
    • 36.0+build2-0ubuntu0.14.04.4
    • 36.0.1+build2-0ubuntu0.14.04.1
    • 36.0.4+build1-0ubuntu0.14.04.1
    • 37.0+build2-0ubuntu0.14.04.1
    • 37.0.1+build1-0ubuntu0.14.04.1
    • 37.0.2+build1-0ubuntu0.14.04.1
    • 38.0+build3-0ubuntu0.14.04.1
    • 39.0+build5-0ubuntu0.14.04.1
    • 39.0.3+build2-0ubuntu0.14.04.1
    • 40.0+build4-0ubuntu0.14.04.1
    • 40.0+build4-0ubuntu0.14.04.4
    • 40.0.3+build1-0ubuntu0.14.04.1
    • 41.0+build3-0ubuntu0.14.04.1
    • 41.0.1+build2-0ubuntu0.14.04.1
    • 41.0.2+build2-0ubuntu0.14.04.1
    • 42.0+build2-0ubuntu0.14.04.1
    • 43.0+build1-0ubuntu0.14.04.1
    • 43.0.4+build3-0ubuntu0.14.04.1
    • 44.0+build3-0ubuntu0.14.04.1
    • 44.0.1+build2-0ubuntu0.14.04.1
    • 44.0.2+build1-0ubuntu0.14.04.1
    • 45.0+build2-0ubuntu0.14.04.1
    • 45.0.1+build1-0ubuntu0.14.04.2
    • 45.0.2+build1-0ubuntu0.14.04.1
    • 46.0+build5-0ubuntu0.14.04.2
    • 46.0.1+build1-0ubuntu0.14.04.3
    • 47.0+build3-0ubuntu0.14.04.1
    • 48.0+build2-0ubuntu0.14.04.1
    • 49.0+build4-0ubuntu0.14.04.1
    • 49.0.2+build2-0ubuntu0.14.04.1
    • 50.0+build2-0ubuntu0.14.04.2
    • 50.0.2+build1-0ubuntu0.14.04.1
    • 50.1.0+build2-0ubuntu0.14.04.1
    • 51.0.1+build2-0ubuntu0.14.04.1
    • 51.0.1+build2-0ubuntu0.14.04.2
    • 52.0+build2-0ubuntu0.14.04.1
    • 52.0.1+build2-0ubuntu0.14.04.1
    • 52.0.2+build1-0ubuntu0.14.04.1
    • 53.0+build6-0ubuntu0.14.04.1
    • 53.0.2+build1-0ubuntu0.14.04.2
    • 53.0.3+build1-0ubuntu0.14.04.2
    • 54.0+build3-0ubuntu0.14.04.1
    • 55.0.1+build2-0ubuntu0.14.04.2
    • 55.0.2+build1-0ubuntu0.14.04.1
    Affected ranges
    • ECOSYSTEM: < 56.0+build6-0ubuntu0.14.04.1

    Update to 56.0+build6-0ubuntu0.14.04.1

  • thunderbird Ubuntu:14.04:LTS

    Versions
    • 1:24.0+build1-0ubuntu1
    • 1:24.0+build1-0ubuntu2
    • 1:24.1.1+build1-0ubuntu0.13.10.1
    • 1:24.1.1+build1-0ubuntu1
    • 1:24.2.0+build1-0ubuntu1
    • 1:24.4.0+build1-0ubuntu1
    • 1:24.5.0+build1-0ubuntu0.14.04.1
    • 1:24.6.0+build1-0ubuntu0.14.04.1
    • 1:31.0+build1-0ubuntu0.14.04.1
    • 1:31.1.1+build1-0ubuntu0.14.04.1
    • 1:31.1.2+build1-0ubuntu0.14.04.1
    • 1:31.2.0+build2-0ubuntu0.14.04.1
    • 1:31.3.0+build1-0ubuntu0.14.04.1
    • 1:31.4.0+build1-0ubuntu0.14.04.1
    • 1:31.5.0+build1-0ubuntu0.14.04.1
    • 1:31.6.0+build1-0ubuntu0.14.04.1
    • 1:31.7.0+build1-0ubuntu0.14.04.1
    • 1:31.8.0+build1-0ubuntu0.14.04.1
    • 1:38.2.0+build1-0ubuntu0.14.04.1
    • 1:38.3.0+build1-0ubuntu0.14.04.1
    • 1:38.4.0+build3-0ubuntu0.14.04.1
    • 1:38.5.1+build2-0ubuntu0.14.04.1
    • 1:38.6.0+build1-0ubuntu0.14.04.1
    • 1:38.7.2+build1-0ubuntu0.14.04.1
    • 1:38.8.0+build1-0ubuntu0.14.04.1
    • 1:45.2.0+build1-0ubuntu0.14.04.3
    • 1:45.3.0+build1-0ubuntu0.14.04.4
    • 1:45.4.0+build1-0ubuntu0.14.04.1
    • 1:45.5.1+build1-0ubuntu0.14.04.1
    • 1:45.7.0+build1-0ubuntu0.14.04.1
    • 1:45.8.0+build1-0ubuntu0.14.04.1
    • 1:52.1.1+build1-0ubuntu0.14.04.1
    • 1:52.2.1+build1-0ubuntu0.14.04.1
    • 1:52.3.0+build1-0ubuntu0.14.04.1
    Affected ranges
    • ECOSYSTEM: < 1:52.4.0+build1-0ubuntu0.14.04.2

    Update to 1:52.4.0+build1-0ubuntu0.14.04.2

  • firefox Ubuntu:16.04:LTS

    Versions
    • 41.0.2+build2-0ubuntu1
    • 42.0+build2-0ubuntu1
    • 44.0+build3-0ubuntu2
    • 44.0.1+build1-0ubuntu1
    • 44.0.2+build1-0ubuntu1
    • 45.0+build2-0ubuntu1
    • 45.0.1+build1-0ubuntu1
    • 45.0.2+build1-0ubuntu1
    • 46.0+build5-0ubuntu0.16.04.2
    • 46.0.1+build1-0ubuntu0.16.04.2
    • 47.0+build3-0ubuntu0.16.04.1
    • 48.0+build2-0ubuntu0.16.04.1
    • 49.0+build4-0ubuntu0.16.04.1
    • 49.0.2+build2-0ubuntu0.16.04.2
    • 50.0+build2-0ubuntu0.16.04.2
    • 50.0.2+build1-0ubuntu0.16.04.1
    • 50.1.0+build2-0ubuntu0.16.04.1
    • 51.0.1+build2-0ubuntu0.16.04.1
    • 51.0.1+build2-0ubuntu0.16.04.2
    • 52.0+build2-0ubuntu0.16.04.1
    • 52.0.1+build2-0ubuntu0.16.04.1
    • 52.0.2+build1-0ubuntu0.16.04.1
    • 53.0+build6-0ubuntu0.16.04.1
    • 53.0.2+build1-0ubuntu0.16.04.2
    • 53.0.3+build1-0ubuntu0.16.04.2
    • 54.0+build3-0ubuntu0.16.04.1
    • 55.0.1+build2-0ubuntu0.16.04.2
    • 55.0.2+build1-0ubuntu0.16.04.1
    Affected ranges
    • ECOSYSTEM: < 56.0+build6-0ubuntu0.16.04.1

    Update to 56.0+build6-0ubuntu0.16.04.1

  • thunderbird Ubuntu:16.04:LTS

    Versions
    • 1:38.3.0+build1-0ubuntu2
    • 1:38.5.1+build2-0ubuntu1
    • 1:38.6.0+build1-0ubuntu1
    • 1:38.7.2+build1-0ubuntu0.16.04.1
    • 1:38.8.0+build1-0ubuntu0.16.04.1
    • 1:45.2.0+build1-0ubuntu0.16.04.1
    • 1:45.3.0+build1-0ubuntu0.16.04.2
    • 1:45.4.0+build1-0ubuntu0.16.04.1
    • 1:45.5.1+build1-0ubuntu0.16.04.1
    • 1:45.7.0+build1-0ubuntu0.16.04.1
    • 1:45.8.0+build1-0ubuntu0.16.04.1
    • 1:52.1.1+build1-0ubuntu0.16.04.1
    • 1:52.2.1+build1-0ubuntu0.16.04.1
    • 1:52.3.0+build1-0ubuntu0.16.04.1
    Affected ranges
    • ECOSYSTEM: < 1:52.4.0+build1-0ubuntu0.16.04.2

    Update to 1:52.4.0+build1-0ubuntu0.16.04.2

  • firefox Ubuntu:18.04:LTS

    Affected ranges
    • ECOSYSTEM: < 56.0+build6-0ubuntu1

    Update to 56.0+build6-0ubuntu1

  • thunderbird Ubuntu:18.04:LTS

    Affected ranges
    • ECOSYSTEM: < 1:52.4.0+build1-0ubuntu2

    Update to 1:52.4.0+build1-0ubuntu2

Original sources

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