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Red Hat Product Errata RHSA-2012:1456 - Security Advisory
Issued:
2012-11-12
Updated:
2012-11-12

RHSA-2012:1456 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Low: Red Hat Storage 2.0 security, bug fix, and enhancement update #3

Type/Severity

Security Advisory: Low

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated glusterfs packages that fix multiple security issues, several bugs,
and contain enhancements are now available for Red Hat Storage 2.0.

The Red Hat Security Response Team has rated this update as having low
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

Red Hat Storage is software only, scale-out storage that provides flexible
and affordable unstructured data storage for the enterprise. GlusterFS, a
key building block of Red Hat Storage, is based on a stackable user-space
design and can deliver exceptional performance for diverse workloads.
GlusterFS aggregates various storage servers over network interconnects
into one large, parallel network file system.

Multiple insecure temporary file creation flaws were found in Red Hat
Storage. A local user on the Red Hat Storage server could use these flaws
to cause arbitrary files to be overwritten as the root user via a symbolic
link attack. (CVE-2012-4417)

These issues were discovered by Kurt Seifried of Red Hat, and Jim Meyering.

This update also fixes the following bugs:

  • If geo-replication is started with a large number of small static files,

E2BIG error is displayed. This is due to the way the rsync was invoked by
geo-replication. This issue has been fixed and geo-replication works fine
for large number of files. (BZ#859173)

  • RHS automatically modifies the smb.conf file and starts/restarts the SMB

service when a new volume is created, regardless of the chkconfig status of
the service. This results in an improper SMB configuration and errors are
logged. This issue has been fixed by performing a "condrestart" instead of
an unconditional "start". (BZ#863907)

  • Issuing "gluster peer probe" command on an Fully Qualified Domain Name

(FQDN) that contains a number as the first character in the domain name
resulted in the command failing. This issue has been fixed by allowing
digits as the first character in the FQDN. (BZ#863908)

  • In a replicated configuration, rebooting one of the servers during active

I/O have resulted in stale locks and caused some glusterfs commands to
fail. This issue has been fixed by adjusting the timeout value. (BZ#866758)

  • In a replicated volume, when a file was in split-brain state, reads were

still permitted on that file from the NFS mount. This issue has been fixed
by reporting an I/O Error. (BZ#855913)

  • After an upgrade, Geo-replication status is "N/A" if the checkpoint

service is not functional. This is due to the change of the location of
unix domain sockets that are used for inter-component communication. This
issue has been fixed by having glusterd specify the socket location to
gsyncd. (BZ#873380)

  • On a replicate volume, when one of the brick is offline and from NFS

mount when ln command is executed, the command fails. This is because
getattr calls lookup with a NULL parent. This issue has been fixed by
properly populating the parent information. (BZ#874051)

In addition, this update adds the following enhancements:

  • This errata includes a replication enhancement called Server-side Quorum

enforcement, which is a means to reduce the chances of split-brains. Quorum
enforcement is at the glusterd level and each volume can choose whether or
not to enforce quorum by setting the relevant volume options and the quorum
default ratio is >50%. A ratio of >50% means that at any point in time,
more than half the number of nodes in the trusted storage pool need to be
started and connected to each other. If network disconnects and outages
happen in such a way that a smaller portion of the storage pool is offline,
bricks running in those nodes are taken down preventing further writes from
happening to the minority. For a two node cluster, quorum enforcement will
require an arbitrator in the trusted storage pool which does not have
bricks participating in that quorum enforcing volume. (BZ#840122)

  • sosreport is a tool which generates debugging information for the system

it is run on. This tool has been packaged in the Red Hat Storage channel.
This will enable further Red Hat Storage specific tweaks and enhancements
and improve debugability. (BZ#856673)

All users of Red Hat Storage are advised to upgrade to these updated
packages, which fix 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/knowledge/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Gluster Storage Server for On-premise 2.0 x86_64
  • Red Hat Storage for Public Cloud (via RHUI) 2.0 x86_64

Fixes

  • BZ - 840122 - Implement a server side quorum in glusterd
  • BZ - 855913 - NFS Mount doesn't report "I/0 Error" when a file is in split-brain state
  • BZ - 856341 - CVE-2012-4417 GlusterFS: insecure temporary file creation
  • BZ - 856673 - Add sos to Red Hat Storage
  • BZ - 859173 - geo-replication with large number of small static files will have E2BIG errors in logs.
  • BZ - 863907 - GlusterFS automatically starts smb service when it is disabled w/ chkconfig
  • BZ - 866758 - gluster volume status all "Failed to get names of volumes" when peer in volume is restarted during transaction
  • BZ - 873380 - [3.3.0.4rhs-34.el6rhs.x86_64.rpm] geo-rep status gives N/A.
  • BZ - 874051 - ln command execution fails on files with "invalid argument" error when executed the command from nfs mount

CVEs

  • CVE-2012-4417

References

  • https://access.redhat.com/security/updates/classification/#low
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
glusterfs-3.3.0.5rhs-37.el6.src.rpm SHA-256: 353fcc01cfcc7858adaf1f62ce42fead7d65ac086d479eab386166198b3fe8f2
x86_64
glusterfs-3.3.0.5rhs-37.el6.x86_64.rpm SHA-256: b66b6762f40d490ff3c2b76339021466b2de2ba5ba1572fd9ad33bf6e839e260
glusterfs-debuginfo-3.3.0.5rhs-37.el6.x86_64.rpm SHA-256: 94758e40d0d97b7a40694e4f2e019fb295f6041aabc1b63cb4f9e64cab6eb6e0
glusterfs-devel-3.3.0.5rhs-37.el6.x86_64.rpm SHA-256: 779c63546fd1f8a2b1625c4569041732e42bafc07237f8f128fce60bb8d6511c
glusterfs-fuse-3.3.0.5rhs-37.el6.x86_64.rpm SHA-256: 7fc444d8d8e58b10e86739b512b1617ffc7280889c93b33bec0c72690493bbf0
glusterfs-rdma-3.3.0.5rhs-37.el6.x86_64.rpm SHA-256: f80fb27905acc26e12e42a2c97429e01f62cd79817cdf10d80202416ff91f8a7

Red Hat Enterprise Linux Server 5

SRPM
glusterfs-3.3.0.5rhs-37.el5.src.rpm SHA-256: 33106a4b560e5be7cfee4bc752825e48a59ef2cecab3c0e6c417a75facd18b1e
x86_64
glusterfs-3.3.0.5rhs-37.el5.x86_64.rpm SHA-256: b64b76ce9e9e659c7bfd4194346c0015b4d55f6952eae5e65b4d0d504dfe9e93
glusterfs-debuginfo-3.3.0.5rhs-37.el5.x86_64.rpm SHA-256: 3f5be8652a3ed8a0a3fec879b9d94bb1738a909cbaa017cdba7eb6a3128bb303
glusterfs-devel-3.3.0.5rhs-37.el5.x86_64.rpm SHA-256: 537b23b0627a98ebeb3386dc5b26509f15ae0b76ddc89264353e512ef543c604
glusterfs-fuse-3.3.0.5rhs-37.el5.x86_64.rpm SHA-256: 9377618e35637299667fceb0d8a70d0e4e065865e31915bc98cc41ac17d47ae2
glusterfs-rdma-3.3.0.5rhs-37.el5.x86_64.rpm SHA-256: e084758b416b4595753f87462893a7b4c95c04b61849fc54e61ffa0efd323377

Red Hat Gluster Storage Server for On-premise 2.0

SRPM
glusterfs-3.3.0.5rhs-37.el6rhs.src.rpm SHA-256: c41efce8d3e0ac2a3b09570f8875cc05d573a219aefd0501b67c0042973b2ea2
sos-2.2-17.1.el6rhs.src.rpm SHA-256: d358f69b68a5812fd247a607960ff5100befb2cec24f2f664779305e88354774
x86_64
glusterfs-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: abc8c7bd0d9a5937241deb4e98fe7f8652a0bd038c5a51211977b447c3a9bf30
glusterfs-debuginfo-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 78ef988ea9d7c8ddfe94a7efa9f805ce1135bf3bf2dcef10851089a222c05963
glusterfs-devel-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 718f177de6f87cd53f05da69356aa9df87b4f35b9f65c8c411d01dc4f7f91b09
glusterfs-fuse-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: b5b23e812fa45d3a9970846258e0d8e27a255ff64564a3eed2201fa3f4338546
glusterfs-geo-replication-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 99ad55642ccf162e322f645262af969811eef261a69a1edab5cd17673a896542
glusterfs-rdma-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: c3b981cc46f6d41da146731c9ae6e7d2e8200f736f7f3b13becc2ab2cc224a49
glusterfs-server-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: dd4babb3cca8d6bbb9b86f6fc3942ecf781c3c60fd0591e94e3fd3ff7233868a
sos-2.2-17.1.el6rhs.noarch.rpm SHA-256: 94fef819b03e148226f15e8137bfd52b50b9f8c5d0a05d4020217c2feaa68ac2

Red Hat Storage for Public Cloud (via RHUI) 2.0

SRPM
glusterfs-3.3.0.5rhs-37.el6rhs.src.rpm SHA-256: c41efce8d3e0ac2a3b09570f8875cc05d573a219aefd0501b67c0042973b2ea2
sos-2.2-17.1.el6rhs.src.rpm SHA-256: d358f69b68a5812fd247a607960ff5100befb2cec24f2f664779305e88354774
x86_64
glusterfs-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: abc8c7bd0d9a5937241deb4e98fe7f8652a0bd038c5a51211977b447c3a9bf30
glusterfs-debuginfo-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 78ef988ea9d7c8ddfe94a7efa9f805ce1135bf3bf2dcef10851089a222c05963
glusterfs-devel-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 718f177de6f87cd53f05da69356aa9df87b4f35b9f65c8c411d01dc4f7f91b09
glusterfs-fuse-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: b5b23e812fa45d3a9970846258e0d8e27a255ff64564a3eed2201fa3f4338546
glusterfs-geo-replication-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: 99ad55642ccf162e322f645262af969811eef261a69a1edab5cd17673a896542
glusterfs-rdma-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: c3b981cc46f6d41da146731c9ae6e7d2e8200f736f7f3b13becc2ab2cc224a49
glusterfs-server-3.3.0.5rhs-37.el6rhs.x86_64.rpm SHA-256: dd4babb3cca8d6bbb9b86f6fc3942ecf781c3c60fd0591e94e3fd3ff7233868a
sos-2.2-17.1.el6rhs.noarch.rpm SHA-256: 94fef819b03e148226f15e8137bfd52b50b9f8c5d0a05d4020217c2feaa68ac2

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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