CVE-2015-7575
Moderate
CVE-2015-7575
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.
Exploit probability
2.9%
Published
January 9, 2016
Required by
Not available
Last source change
June 26, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2015-7575
View original source
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.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html
- http://rhn.redhat.com/errata/RHSA-2016-0049.html
- http://rhn.redhat.com/errata/RHSA-2016-0050.html
- http://rhn.redhat.com/errata/RHSA-2016-0053.html
- http://rhn.redhat.com/errata/RHSA-2016-0054.html
- http://rhn.redhat.com/errata/RHSA-2016-0055.html
- http://rhn.redhat.com/errata/RHSA-2016-0056.html
- http://www.debian.org/security/2016/dsa-3436
- http://www.debian.org/security/2016/dsa-3437
- http://www.debian.org/security/2016/dsa-3457
- http://www.debian.org/security/2016/dsa-3458
- http://www.debian.org/security/2016/dsa-3465
- http://www.debian.org/security/2016/dsa-3491
- http://www.debian.org/security/2016/dsa-3688
- http://www.mozilla.org/security/announce/2015/mfsa2015-150.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/79684
- http://www.securityfocus.com/bid/91787
- http://www.securitytracker.com/id/1034541
- http://www.securitytracker.com/id/1036467
- http://www.ubuntu.com/usn/USN-2863-1
- http://www.ubuntu.com/usn/USN-2864-1
- http://www.ubuntu.com/usn/USN-2865-1
- http://www.ubuntu.com/usn/USN-2866-1
- http://www.ubuntu.com/usn/USN-2884-1
- http://www.ubuntu.com/usn/USN-2904-1
- https://access.redhat.com/errata/RHSA-2016:1430
- https://bugzilla.mozilla.org/show_bug.cgi?id=1158489
- https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes
- https://security.gentoo.org/glsa/201701-46
- https://security.gentoo.org/glsa/201706-18
- https://security.gentoo.org/glsa/201801-15
- https://security.netapp.com/advisory/ntap-20160225-0001/