CVE-2016-5285 – nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash

https://notcve.org/view.php?id=CVE-2016-5285

A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, which could let a remote malicious user cause a Denial of Service. Existe una vulnerabilidad de desreferencia de puntero nulo en Mozilla Network Security Services debido a una falta de verificación NULL en PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, lo que podría permitir que un usuario malintencionado remoto cause una Denegación de servicio. A NULL pointer dereference flaw was found in the way NSS handled invalid Diffie-Hellman keys. A remote client could use this flaw to crash a TLS/SSL server using NSS. • http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html http://rhn.redhat.com/errata/RHSA-2016-2779.html http://www.securityfocus.com/bid/94349 http://www.ubuntu.com/usn/USN-3163-1 https://bto.bluecoat.com/security-advisory/sa137 https://bugzilla.mozilla.org/show_bug.cgi?id=1306103 https://security.gentoo.org/glsa&#x • CWE-476: NULL Pointer Dereference •