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Status published
Medium
CVE-2015-4520
Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.mozilla.org/security/announce/2015/mfsa2015-111.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html
- http://www.ubuntu.com/usn/USN-2754-1
- http://www.ubuntu.com/usn/USN-2743-4
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.ubuntu.com/usn/USN-2743-3
- http://rhn.redhat.com/errata/RHSA-2015-1834.html
- http://www.ubuntu.com/usn/USN-2743-2
- https://bugzilla.mozilla.org/show_bug.cgi?id=1200856
- https://bugzilla.mozilla.org/show_bug.cgi?id=1200869
- http://www.securitytracker.com/id/1033640
- http://rhn.redhat.com/errata/RHSA-2015-1852.html
- http://www.debian.org/security/2015/dsa-3365
- http://www.securityfocus.com/bid/76816
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html
- http://www.ubuntu.com/usn/USN-2743-1
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Affected Vendor
mozilla
View all reports →Affected Software
firefox
Vulnerable Versions:
38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0, 38.2.1, 0
Timeline
Official Publish:
September 24th, 2015
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.