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MFSA2015-111 Thunderbird: Errors in the handling of CORS preflight request headers (CVE-2015-4520)

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MFSA2015-111 Thunderbird: Errors in the handling of CORS preflight request headers (CVE-2015-4520)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
09/24/2015
Created
07/25/2018
Added
11/30/2015
Modified
04/05/2017

Description

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.

Solution(s)

  • mozilla-thunderbird-upgrade-38_3

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