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Test ID:1.3.6.1.4.1.25623.1.2.1.2015.91
Category:General
Title:Mozilla Firefox Security Advisory (MFSA2015-91) - Linux
Summary:This host is missing a security update for Mozilla Firefox.
Description:Summary:
This host is missing a security update for Mozilla Firefox.

Vulnerability Insight:
Mozilla Content Security Policy allows for asterisk wildcards in violation of CSP specification
Mozilla security engineer Christoph Kerschbaumer reported a
discrepancy in Mozilla's implementation of Content Security Policy and the CSP specification. The specification
states that blob:, data:, and filesystem:
URLs should be excluded in case of a wildcard when matching source expressions
but Mozilla's implementation allows these in the case of an asterisk wildcard.
This could allow for more permissive CSP usage than expected by a web developer,
possibly allowing for cross-site scripting (XSS) attacks.

Affected Software/OS:
Firefox version(s) below 40.

Solution:
The vendor has released an update. Please see the reference(s) for more information.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-4490
https://security.gentoo.org/glsa/201605-06
http://www.securitytracker.com/id/1033247
SuSE Security Announcement: openSUSE-SU-2015:1389 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
SuSE Security Announcement: openSUSE-SU-2015:1390 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
http://www.ubuntu.com/usn/USN-2702-1
http://www.ubuntu.com/usn/USN-2702-2
http://www.ubuntu.com/usn/USN-2702-3
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