Scientific Linux: CVE-2013-1415 Moderate: Krb5 Security Update

Date: Mon, 18 Mar 2013 14:55:21 -0500
Reply-To: Pat Riehecky 
Sender: Security Errata for Scientific Linux
 
From: Pat Riehecky 
Subject: Security ERRATA Moderate: krb5 on SL6.x i386/x86_64
MIME-Version: 1.0

Synopsis: Moderate: krb5 security update
Issue Date: 2013-03-18
CVE Numbers: CVE-2013-1415
 CVE-2012-1016
--

When a client attempts to use PKINIT to obtain credentials from the KDC,
the client can specify, using an issuer and serial number, which of the
KDC's possibly-many certificates the client has in its possession, as a
hint to the KDC that it should use the corresponding key to sign its
response. If that specification was malformed, the KDC could attempt to
dereference a NULL pointer and crash. (CVE-2013-1415)

When a client attempts to use PKINIT to obtain credentials from the KDC,
the client will typically format its request to conform to the
specification published in RFC 4556. For interoperability reasons, clients
and servers also provide support for an older, draft version of that
specification. If a client formatted its request to conform to this older
version of the specification, with a non-default key agreement option, it
could cause the KDC to attempt to dereference a NULL pointer and crash.
(CVE-2012-1016)

After installing the updated packages, the krb5kdc daemon will be
restarted automatically.
--

SL6
 x86_64
 krb5-debuginfo-1.10.3-10.el6_4.1.i686.rpm
 krb5-debuginfo-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-libs-1.10.3-10.el6_4.1.i686.rpm
 krb5-libs-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-pkinit-openssl-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-workstation-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-devel-1.10.3-10.el6_4.1.i686.rpm
 krb5-devel-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-server-1.10.3-10.el6_4.1.x86_64.rpm
 krb5-server-ldap-1.10.3-10.el6_4.1.i686.rpm
 krb5-server-ldap-1.10.3-10.el6_4.1.x86_64.rpm
 i386
 krb5-debuginfo-1.10.3-10.el6_4.1.i686.rpm
 krb5-libs-1.10.3-10.el6_4.1.i686.rpm
 krb5-pkinit-openssl-1.10.3-10.el6_4.1.i686.rpm
 krb5-workstation-1.10.3-10.el6_4.1.i686.rpm
 krb5-devel-1.10.3-10.el6_4.1.i686.rpm
 krb5-server-1.10.3-10.el6_4.1.i686.rpm
 krb5-server-ldap-1.10.3-10.el6_4.1.i686.rpm

- Scientific Linux Development Team