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Ubuntu: (Multiple Advisories) (CVE-2017-7808): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2017-7808): Firefox regression

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
08/08/2017
Created
07/25/2018
Added
08/16/2017
Modified
08/17/2018

Description

A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-xul-ext-ubufox

References

  • USN-3391-1
  • USN-3391-2
  • USN-3391-3
  • 100373
  • 1039124
  • CVE-2017-7808

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