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Ubuntu: (Multiple Advisories) (CVE-2017-5384): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2017-5384): Firefox regression

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
01/24/2017
Created
07/25/2018
Added
01/28/2017
Modified
08/17/2018

Description

Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (WPAD) this file can be served remotely. This vulnerability affects Firefox < 51.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3175-1
  • USN-3175-2
  • 95763
  • 1037693
  • CVE-2017-5384

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