RHSA-2013:1661 - Security Advisory

Topic

Updated rdma, libibverbs, libmlx4, librdmacm, qperf, perftest, openmpi,
compat-openmpi, infinipath-psm, mpitests, and rds-tools packages that fix
two security issues, several bugs, and add various enhancements are now
available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

Description

Red Hat Enterprise Linux includes a collection of Infiniband and iWARP
utilities, libraries and development packages for writing applications that
use Remote Direct Memory Access (RDMA) technology.

A flaw was found in the way ibutils handled temporary files. A local
attacker could use this flaw to cause arbitrary files to be overwritten as
the root user via a symbolic link attack. (CVE-2013-2561)

It was discovered that librdmacm used a static port to connect to the
ib_acm service. A local attacker able to run a specially crafted ib_acm
service on that port could use this flaw to provide incorrect address
resolution information to librmdacm applications. (CVE-2012-4516)

The CVE-2012-4516 issue was discovered by Florian Weimer of the Red Hat
Product Security Team.

This advisory updates the following packages to the latest upstream
releases, providing a number of bug fixes and enhancements over the
previous versions:

• libibverbs-1.1.7
• libmlx4-1.0.5
• librdmacm-1.0.17
• mstflint-3.0
• perftest-2.0
• qperf-0.4.9
• rdma-3.10

Several bugs have been fixed in the openmpi, mpitests, ibutils, and
infinipath-psm packages.

The most notable changes in these updated packages from the RDMA stack are
the following:

• Multiple bugs in the Message Passing Interface (MPI) test packages were

resolved, allowing more of the mpitest applications to pass on the
underlying MPI implementations.

• The libmlx4 package now includes dracut module files to ensure that any

necessary custom configuration of mlx4 port types is included in the
initramfs dracut builds.

• Multiple test programs in the perftest and qperf packages now work

properly over RoCE interfaces, or when specifying the use of rdmacm
queue pairs.

• The mstflint package has been updated to the latest upstream version,

which is now capable of burning firmware on newly released Mellanox
Connect-IB hardware.

• A compatibility problem between the openmpi and infinipath-psm packages

has been resolved with new builds of these packages.

All RDMA users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues and add
these enhancements.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

• BZ - 865483 - CVE-2012-4516 librdmacm: Tried to connect to port 6125 if ibacm.port was not found
• BZ - 927430 - CVE-2013-2561 ibutils: insecure handling of files in the /tmp directory

CVEs

• CVE-2013-2561
• CVE-2012-4516

References

• https://access.redhat.com/security/updates/classification/#moderate