Scientific Linux: SLSA-2014:0625-1 Important Openssl Security Update

Date: Thu, 5 Jun 2014 14:47:41 +0000
Reply-To: scientific-linux-users@
Sender: Security Errata for Scientific Linux
 
From: Pat Riehecky 
Subject: Security ERRATA Important: openssl on SL6.x i386/x86_64
MIME-Version: 1.0

Synopsis: Important: openssl security update
Advisory ID: SLSA-2014:0625-1
Issue Date: 2014-06-05
CVE Numbers: CVE-2010-5298
 CVE-2014-0198
 CVE-2014-0224
 CVE-2014-0221
 CVE-2014-0195
 CVE-2014-3470
--

It was found that OpenSSL clients and servers could be forced, via a
specially crafted handshake packet, to use weak keying material for
communication. A man-in-the-middle attacker could use this flaw to decrypt
and modify traffic between a client and a server. (CVE-2014-0224)

Note: In order to exploit this flaw, both the server and the client must
be using a vulnerable version of OpenSSL; the server must be using OpenSSL
version 1.0.1 and above, and the client must be using any version of
OpenSSL. For more information about this flaw, refer to:

A buffer overflow flaw was found in the way OpenSSL handled invalid DTLS
packet fragments. A remote attacker could possibly use this flaw to
execute arbitrary code on a DTLS client or server. (CVE-2014-0195)

Multiple flaws were found in the way OpenSSL handled read and write
buffers when the SSL_MODE_RELEASE_BUFFERS mode was enabled. A TLS/SSL
client or server using OpenSSL could crash or unexpectedly drop
connections when processing certain SSL traffic. (CVE-2010-5298,
CVE-2014-0198)

A denial of service flaw was found in the way OpenSSL handled certain DTLS
ServerHello requests. A specially crafted DTLS handshake packet could
cause a DTLS client using OpenSSL to crash. (CVE-2014-0221)

A NULL pointer dereference flaw was found in the way OpenSSL performed
anonymous Elliptic Curve Diffie Hellman (ECDH) key exchange. A specially
crafted handshake packet could cause a TLS/SSL client that has the
anonymous ECDH cipher suite enabled to crash. (CVE-2014-3470)

For the update to take effect, all services linked to the OpenSSL library
(such as httpd and other SSL-enabled services) must be restarted or the
system rebooted.
--

SL6
 x86_64
 openssl-1.0.1e-16.el6_5.14.i686.rpm
 openssl-1.0.1e-16.el6_5.14.x86_64.rpm
 openssl-debuginfo-1.0.1e-16.el6_5.14.i686.rpm
 openssl-debuginfo-1.0.1e-16.el6_5.14.x86_64.rpm
 openssl-devel-1.0.1e-16.el6_5.14.i686.rpm
 openssl-devel-1.0.1e-16.el6_5.14.x86_64.rpm
 openssl-perl-1.0.1e-16.el6_5.14.x86_64.rpm
 openssl-static-1.0.1e-16.el6_5.14.x86_64.rpm
 i386
 openssl-1.0.1e-16.el6_5.14.i686.rpm
 openssl-debuginfo-1.0.1e-16.el6_5.14.i686.rpm
 openssl-devel-1.0.1e-16.el6_5.14.i686.rpm
 openssl-perl-1.0.1e-16.el6_5.14.i686.rpm
 openssl-static-1.0.1e-16.el6_5.14.i686.rpm

- Scientific Linux Development Team