CVE-2019-11730
Vulnerability from cvelistv5
Published
2019-07-23 13:16
Modified
2024-08-04 23:03
Severity ?
Summary
A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. The Fetch API can then be used to read the contents of any files stored in these directories and they may uploaded to a server. It was demonstrated that in combination with a popular Android messaging app, if a malicious HTML attachment is sent to a user and they opened that attachment in Firefox, due to that app's predictable pattern for locally-saved file names, it is possible to read attachments the victim received from other correspondents. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
References
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1558299Issue Tracking, Permissions Required
security@mozilla.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://security.gentoo.org/glsa/201908-12Third Party Advisory
security@mozilla.orghttps://security.gentoo.org/glsa/201908-20Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-22/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-23/Vendor Advisory
Impacted products
MozillaFirefox ESR
MozillaFirefox
MozillaThunderbird
Show details on NVD website

To clipboard 

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}


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Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.