CVE-2015-7575
MEDIUM severity · CVSS 5.9 · CWE-19
5.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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