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Red Hat Product Errata RHSA-2015:1320 - Security Advisory
Issued:
2015-07-22
Updated:
2015-07-22

RHSA-2015:1320 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: ppc64-diag security, bug fix and enhancement update

Type/Severity

Security Advisory: Moderate

Topic

Updated ppc64-diag packages that fix two security issues, several bugs, and
add various enhancements are now available for Red Hat Enterprise Linux 6.

Red Hat Product Security 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

The ppc64-diag packages provide diagnostic tools for Linux on the 64-bit
PowerPC platforms. The platform diagnostics write events reported by the
firmware to the service log, provide automated responses to urgent events,
and notify system administrators or connected service frameworks about the
reported events.

Multiple insecure temporary file use flaws were found in the way the
ppc64-diag utility created certain temporary files. A local attacker could
possibly use either of these flaws to perform a symbolic link attack and
overwrite arbitrary files with the privileges of the user running
ppc64-diag, or obtain sensitive information from the temporary files.
(CVE-2014-4038, CVE-2014-4039)

The ppc64-diag packages have been upgraded to upstream version 2.6.7, which
provides a number of bug fixes and enhancements over the previous version.
(BZ#1148142)

This update also fixes the following bugs:

  • Previously, the "explain_syslog" and "syslog_to_svclog" commands failed

with a "No such file or directory" error message. With this update, the
ppc64-diag package specifies the location of the message_catalog directory
correctly, which prevents the described error from occurring. (BZ#1139655)

  • Prior to this update, the /var/lock/subsys/rtas_errd file was incorrectly

labeled for SELinux as "system_u:object_r:var_lock_t:s0". This update
corrects the SELinux label to "system_u:object_r:rtas_errd_var_lock_t:s0".
(BZ#1131501)

Users of ppc64-diag are advised to upgrade to these updated packages, which
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.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for Power, big endian 6 ppc64

Fixes

  • BZ - 1109371 - CVE-2014-4038 CVE-2014-4039 ppc64-diag: multiple temporary file races
  • BZ - 1131501 - Mislabeled file '/var/lock/subsys/rtas_errd' found

CVEs

  • CVE-2014-4039
  • CVE-2014-4038

References

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

    Red Hat Enterprise Linux for Power, big endian 6

    SRPM
    ppc64-diag-2.6.7-4.el6.src.rpm SHA-256: 0491e27d07d880b87cf516dd3071be9a032352c03115676e92c01227845b4bf5
    ppc64
    ppc64-diag-2.6.7-4.el6.ppc64.rpm SHA-256: 2bf2a125351810be771991fd676307d9d5b990067ccd6e5ca6d22b9fae452a49
    ppc64-diag-debuginfo-2.6.7-4.el6.ppc64.rpm SHA-256: 69fc01717985f5e24b54a88509d51efae2c96f1b1825ea6cfb79023111b51bbc

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

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