Vulnerability CVE-2019-9801: Information

Description

Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a "URL Handler" in the Windows registry. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Severity: MEDIUM (5.3) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

URL: https://nvd.nist.gov/vuln/detail/CVE-2019-9801
Published: April 26, 2019
Modified: April 29, 2019
Error type identifier: CWE-20

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
firefoxsisyphus66.0.1-alt1126.0.1-alt1ALT-PU-2019-1561-1226302Fixed
firefoxp1066.0.1-alt1118.0.2-alt0.p10.1ALT-PU-2019-1561-1226302Fixed
firefoxp966.0.1-alt1105.0.1-alt0.c9.1ALT-PU-2019-1561-1226302Fixed
firefoxp868.0.1-alt0.M80P.168.0.1-alt0.M80P.1ALT-PU-2019-2938-1236175Fixed
firefoxc10f166.0.1-alt1112.0.2-alt0.p10.1ALT-PU-2019-1561-1226302Fixed
firefoxc9f266.0.1-alt1105.0.1-alt0.c9.1ALT-PU-2019-1561-1226302Fixed
firefoxc760.6.1-alt0.M70C.160.8.0-alt0.M70C.1ALT-PU-2019-1726-1218597Fixed
firefoxp1166.0.1-alt1126.0.1-alt1ALT-PU-2019-1561-1226302Fixed
firefox-esrsisyphus60.6.0-alt1115.11.0-alt1ALT-PU-2019-1486-1225432Fixed
firefox-esrp1060.6.0-alt1115.11.0-alt1ALT-PU-2019-1486-1225432Fixed
firefox-esrp960.6.0-alt1102.11.0-alt0.c9.1ALT-PU-2019-1486-1225432Fixed
firefox-esrp860.6.1-alt0.M80P.168.4.1-alt0.M80P.1ALT-PU-2019-1603-1225488Fixed
firefox-esrc10f160.6.0-alt1115.9.1-alt0.c10.1ALT-PU-2019-1486-1225432Fixed
firefox-esrc9f260.6.0-alt1102.12.0-alt0.c9.1ALT-PU-2019-1486-1225432Fixed
firefox-esrp1160.6.0-alt1115.11.0-alt1ALT-PU-2019-1486-1225432Fixed
thunderbirdp860.7.2-alt0.M80P.160.8.0-alt0.M80P.1ALT-PU-2019-2196-1216874Fixed
thunderbirdc760.8.0-alt0.M70C.160.8.0-alt0.M70C.1ALT-PU-2019-2345-1234994Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2019-11/
  • Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-08/
  • Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-07/
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1527717
  • Issue Tracking
  • Permissions Required
  • Vendor Advisory

    1. Configuration 1

      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
      cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
      Running on/with:
      cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
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