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Red Hat Security Advisory 2015-1196-01

Red Hat Security Advisory 2015-1196-01
Posted Jun 30, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1196-01 - PostgreSQL is an advanced object-relational database management system. A double-free flaw was found in the connection handling. An unauthenticated attacker could exploit this flaw to crash the PostgreSQL back end by disconnecting at approximately the same time as the authentication time out is triggered. It was discovered that PostgreSQL did not properly check the return values of certain standard library functions. If the system is in a state that would cause the standard library functions to fail, for example memory exhaustion, an authenticated user could exploit this flaw to disclose partial memory contents or cause the GSSAPI authentication to use an incorrect keytab file.

tags | advisory
systems | linux, redhat
advisories | CVE-2015-3165, CVE-2015-3166, CVE-2015-3167
SHA-256 | 21a23422eed52f92a03a44240a2d21387667a2aa6bd115db53a8e66a0e93d216

Red Hat Security Advisory 2015-1196-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: rh-postgresql94-postgresql security update
Advisory ID: RHSA-2015:1196-01
Product: Red Hat Software Collections
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1196.html
Issue date: 2015-06-29
CVE Names: CVE-2015-3165 CVE-2015-3166 CVE-2015-3167
=====================================================================

1. Summary:

Updated rh-postgresql94-postgresql packages that fix three security issues
are now available for Red Hat Software Collections 2.

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.

2. Relevant releases/architectures:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

PostgreSQL is an advanced object-relational database management system
(DBMS).

A double-free flaw was found in the connection handling. An unauthenticated
attacker could exploit this flaw to crash the PostgreSQL back end by
disconnecting at approximately the same time as the authentication time out
is triggered. (CVE-2015-3165)

It was discovered that PostgreSQL did not properly check the return values
of certain standard library functions. If the system is in a state that
would cause the standard library functions to fail, for example memory
exhaustion, an authenticated user could exploit this flaw to disclose
partial memory contents or cause the GSSAPI authentication to use an
incorrect keytab file. (CVE-2015-3166)

It was discovered that the pgcrypto module could return different error
messages when decrypting certain data with an incorrect key. This can help
an authenticated user to launch a possible cryptographic attack, although
no suitable attack is currently known. (CVE-2015-3167)

Red Hat would like to thank the PostgreSQL project for reporting these
issues. Upstream acknowledges Benkocs Norbert Attila as the original
reporter of CVE-2015-3165 and Noah Misch as the original reporter of
CVE-2015-3166 and CVE-2015-3167.

All PostgreSQL users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues. If the
rh-postgresql94-postgresql service is running, it will be automatically
restarted after installing this update.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1221537 - CVE-2015-3165 postgresql: double-free after authentication timeout
1221539 - CVE-2015-3166 postgresql: unanticipated errors from the standard library
1221541 - CVE-2015-3167 postgresql: pgcrypto has multiple error messages for decryption with an incorrect key.

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
rh-postgresql94-postgresql-9.4.4-1.el6.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5):

Source:
rh-postgresql94-postgresql-9.4.4-1.el6.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6):

Source:
rh-postgresql94-postgresql-9.4.4-1.el6.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

Source:
rh-postgresql94-postgresql-9.4.4-1.el6.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el6.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-postgresql94-postgresql-9.4.4-1.el7.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1):

Source:
rh-postgresql94-postgresql-9.4.4-1.el7.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-postgresql94-postgresql-9.4.4-1.el7.src.rpm

x86_64:
rh-postgresql94-postgresql-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-contrib-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-debuginfo-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-devel-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-docs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-libs-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plperl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-plpython-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-pltcl-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-server-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-test-9.4.4-1.el7.x86_64.rpm
rh-postgresql94-postgresql-upgrade-9.4.4-1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-3165
https://access.redhat.com/security/cve/CVE-2015-3166
https://access.redhat.com/security/cve/CVE-2015-3167
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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