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

Medium 5.9 Published Updated
Exploited in the wild
Not known
Fix
Available

What is CVE-2015-7575?

CVE-2015-7575 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 9 Jan 2016.

Official 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.

Weakness: CWE-19

Which versions are affected by CVE-2015-7575?

It affects 5 products.

Linux distribution packages (40)
gnutls Red Hat:enterprise_linux:6::clientAll versions0:2.8.5-19.el6_7
gnutls-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.8.5-19.el6_7
gnutls-devel Red Hat:enterprise_linux:6::clientAll versions0:2.8.5-19.el6_7
gnutls-guile Red Hat:enterprise_linux:6::clientAll versions0:2.8.5-19.el6_7
gnutls-utils Red Hat:enterprise_linux:6::clientAll versions0:2.8.5-19.el6_7
nss Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
nss-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
nss-devel Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
nss-pkcs11-devel Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
nss-sysinit Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
nss-tools Red Hat:enterprise_linux:6::clientAll versions0:3.19.1-8.el6_7
openssl Red Hat:enterprise_linux:6::clientAll versions0:1.0.1e-42.el6_7.2
openssl-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:1.0.1e-42.el6_7.2
openssl-devel Red Hat:enterprise_linux:6::clientAll versions0:1.0.1e-42.el6_7.2
openssl-perl Red Hat:enterprise_linux:6::clientAll versions0:1.0.1e-42.el6_7.2
openssl-static Red Hat:enterprise_linux:6::clientAll versions0:1.0.1e-42.el6_7.2
gnutls Red Hat:enterprise_linux:6::computenodeAll versions0:2.8.5-19.el6_7
gnutls-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.8.5-19.el6_7
gnutls-devel Red Hat:enterprise_linux:6::computenodeAll versions0:2.8.5-19.el6_7
gnutls-guile Red Hat:enterprise_linux:6::computenodeAll versions0:2.8.5-19.el6_7
gnutls-utils Red Hat:enterprise_linux:6::computenodeAll versions0:2.8.5-19.el6_7
nss Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
nss-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
nss-devel Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
nss-pkcs11-devel Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
nss-sysinit Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
nss-tools Red Hat:enterprise_linux:6::computenodeAll versions0:3.19.1-8.el6_7
openssl Red Hat:enterprise_linux:6::computenodeAll versions0:1.0.1e-42.el6_7.2
openssl-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:1.0.1e-42.el6_7.2
openssl-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.0.1e-42.el6_7.2
openssl-perl Red Hat:enterprise_linux:6::computenodeAll versions0:1.0.1e-42.el6_7.2
openssl-static Red Hat:enterprise_linux:6::computenodeAll versions0:1.0.1e-42.el6_7.2
gnutls Red Hat:enterprise_linux:6::serverAll versions0:2.8.5-19.el6_7
gnutls-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:2.8.5-19.el6_7
gnutls-devel Red Hat:enterprise_linux:6::serverAll versions0:2.8.5-19.el6_7
gnutls-guile Red Hat:enterprise_linux:6::serverAll versions0:2.8.5-19.el6_7
gnutls-utils Red Hat:enterprise_linux:6::serverAll versions0:2.8.5-19.el6_7
nss Red Hat:enterprise_linux:6::serverAll versions0:3.19.1-8.el6_7
nss-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:3.19.1-8.el6_7
nss-devel Red Hat:enterprise_linux:6::serverAll versions0:3.19.1-8.el6_7

Products include Canonical Ubuntu Linux, Mozilla Firefox, Mozilla Network Security Services, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2015-7575?

Upgrade to a fixed version.

Is CVE-2015-7575 being exploited?

There is no known exploitation of CVE-2015-7575 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as CVE-2016-7575, DEBIAN-CVE-2015-7575, DSA-3436-1, DSA-3437-1, GHSA-7x7m-5xcm-74v2, RHSA-2016:0007 and 8 more.

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