ALAS-2016-645


Amazon Linux AMI Security Advisory: ALAS-2016-645
Advisory Release Date: 2016-02-09 13:30 Pacific
Severity: Medium

Issue Overview:

A flaw was found in the way TLS 1.2 could use the MD5 hash function for signing ServerKeyExchange and Client Authentication packets during a TLS handshake. A man-in-the-middle attacker able to force a TLS connection to use the MD5 hash function could use this flaw to conduct collision attacks to impersonate a TLS server or an authenticated TLS client. (CVE-2015-7575 )


Affected Packages:

nss


Issue Correction:
Run yum update nss to update your system.

New Packages:
i686:
    nss-debuginfo-3.19.1-19.75.amzn1.i686
    nss-pkcs11-devel-3.19.1-19.75.amzn1.i686
    nss-sysinit-3.19.1-19.75.amzn1.i686
    nss-tools-3.19.1-19.75.amzn1.i686
    nss-3.19.1-19.75.amzn1.i686
    nss-devel-3.19.1-19.75.amzn1.i686

src:
    nss-3.19.1-19.75.amzn1.src

x86_64:
    nss-tools-3.19.1-19.75.amzn1.x86_64
    nss-debuginfo-3.19.1-19.75.amzn1.x86_64
    nss-sysinit-3.19.1-19.75.amzn1.x86_64
    nss-pkcs11-devel-3.19.1-19.75.amzn1.x86_64
    nss-devel-3.19.1-19.75.amzn1.x86_64
    nss-3.19.1-19.75.amzn1.x86_64