CVE-2015-7575

Description

Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.06% Top 20%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory oracle.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2016/dsa-3688 vendor advisory
http://www.debian.org/security/2016/dsa-3457 vendor advisory
http://www.debian.org/security/2016/dsa-3491 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html vendor advisory
http://www.securitytracker.com/id/1036467 vdb entry
https://security.gentoo.org/glsa/201701-46 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html third party advisory
http://www.ubuntu.com/usn/USN-2884-1 third party advisory vendor advisory
http://www.securityfocus.com/bid/79684 vdb entry
http://www.debian.org/security/2016/dsa-3465 vendor advisory
https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html vendor advisory
https://access.redhat.com/errata/RHSA-2016:1430 vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1158489 issue tracking
http://rhn.redhat.com/errata/RHSA-2016-0049.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3437 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0053.html vendor advisory
http://www.ubuntu.com/usn/USN-2904-1 vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html vendor advisory
https://security.netapp.com/advisory/ntap-20160225-0001/
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html vendor advisory
http://www.debian.org/security/2016/dsa-3436 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html vendor advisory
http://www.ubuntu.com/usn/USN-2866-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html third party advisory
http://www.securityfocus.com/bid/91787 third party advisory vdb entry
http://www.mozilla.org/security/announce/2015/mfsa2015-150.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0055.html vendor advisory
https://security.gentoo.org/glsa/201801-15 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0054.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html vendor advisory
https://security.gentoo.org/glsa/201706-18 vendor advisory
http://www.ubuntu.com/usn/USN-2864-1 vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0056.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0050.html vendor advisory
http://www.debian.org/security/2016/dsa-3458 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html vendor advisory
http://www.ubuntu.com/usn/USN-2865-1 vendor advisory
http://www.securitytracker.com/id/1034541 vdb entry
http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html vendor advisory
http://www.ubuntu.com/usn/USN-2863-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7575?
CVE-2015-7575 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7575?
To fix CVE-2015-7575, 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-2015-7575 being actively exploited in the wild?
It is possible that CVE-2015-7575 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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