CVE-2016-1954

Description

The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report, which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a URL of a local file.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.27% Top 15%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html third party advisory vendor advisory
http://hg.mozilla.org/releases/mozilla-release/rev/5154bb929236 patch issue tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1243178 issue tracking
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html third party advisory vendor advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-17.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html vendor advisory
http://www.ubuntu.com/usn/USN-2917-1 vendor advisory
http://www.debian.org/security/2016/dsa-3520 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html vendor advisory
http://www.debian.org/security/2016/dsa-3510 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html vendor advisory
http://www.securitytracker.com/id/1035215 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html vendor advisory
https://security.gentoo.org/glsa/201605-06 vendor advisory
http://www.ubuntu.com/usn/USN-2934-1 vendor advisory
http://www.ubuntu.com/usn/USN-2917-2 vendor advisory
http://www.ubuntu.com/usn/USN-2917-3 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1954?
CVE-2016-1954 has been scored as a high severity vulnerability.
How to fix CVE-2016-1954?
To fix CVE-2016-1954, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-1954 being actively exploited in the wild?
It is possible that CVE-2016-1954 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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