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Category:   Application (Database)  >   PostgreSQL Vendors:   postgresql.org
(Red Hat Issues Fix) PostgreSQL Bugs Let Remote Authenticated Users Access Systems and Obtain Potentially Sensitive Information from System Memory
SecurityTracker Alert ID:  1041518
SecurityTracker URL:  http://securitytracker.com/id/1041518
CVE Reference:   CVE-2018-10915, CVE-2018-10925   (Links to External Site)
Date:  Aug 20 2018
Impact:   Disclosure of system information, Disclosure of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Two vulnerabilities were reported in PostgreSQL. A remote authenticated user can obtain potentially sensitive information on the target system. A remote authenticated user can gain access to the target system.

A remote authenticated user can exploit a flaw in 'libpq' to gain access to other systems without authenticating to those systems [CVE-2018-10915].

Andrew Krasichkov reported this vulnerability.

A remote authenticated user that can issue a 'CREATE TABLE' command can execute a specially crafted 'upsert' command to read arbitrary portions of system memory [CVE-2018-10925].

Impact:   A remote authenticated user can obtain potentially sensitive information from system memory.

A remote authenticated user can gain access to the target system.

Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://access.redhat.com/errata/RHSA-2018:2511

Vendor URL:  access.redhat.com/errata/RHSA-2018:2511 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6, 6.7, 7, 7.3, 7.4, 7.5

Message History:   This archive entry is a follow-up to the message listed below.
Aug 14 2018 PostgreSQL Bugs Let Remote Authenticated Users Access Systems and Obtain Potentially Sensitive Information from System Memory



 Source Message Contents

Subject:  [RHSA-2018:2511-01] Important: rh-postgresql95-postgresql security update

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: rh-postgresql95-postgresql security update
Advisory ID:       RHSA-2018:2511-01
Product:           Red Hat Software Collections
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:2511
Issue date:        2018-08-20
CVE Names:         CVE-2017-15098 CVE-2017-15099 CVE-2018-1053 
                   CVE-2018-1058 CVE-2018-10915 CVE-2018-10925 
=====================================================================

1. Summary:

An update for rh-postgresql95-postgresql is now available for Red Hat
Software Collections.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) 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. 6.7) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - 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).

The following packages have been upgraded to a later upstream version:
rh-postgresql95-postgresql (9.5.14). (BZ#1612671)

Security Fix(es):

* postgresql: Certain host connection parameters defeat client-side
security defenses (CVE-2018-10915)

* postgresql: Missing authorization and memory disclosure in INSERT ... ON
CONFLICT DO UPDATE statements (CVE-2018-10925)

* postgresql: Memory disclosure in JSON functions (CVE-2017-15098)

* postgresql: pg_upgrade creates file of sensitive metadata under
prevailing umask (CVE-2018-1053)

* postgresql: Uncontrolled search path element in pg_dump and other client
applications (CVE-2018-1058)

* postgresql: INSERT ... ON CONFLICT DO UPDATE fails to enforce SELECT
privileges (CVE-2017-15099)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank the PostgreSQL project for reporting
CVE-2018-10915, CVE-2018-10925, CVE-2017-15098, CVE-2018-1053, and
CVE-2017-15099. Upstream acknowledges Andrew Krasichkov as the original
reporter of CVE-2018-10915; David Rowley as the original reporter of
CVE-2017-15098; Tom Lane as the original reporter of CVE-2018-1053; and
Dean Rasheed as the original reporter of CVE-2017-15099.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

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

If the postgresql service is running, it will be automatically restarted
after installing this update.

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

1508820 - CVE-2017-15098 postgresql: Memory disclosure in JSON functions
1508823 - CVE-2017-15099 postgresql: INSERT ... ON CONFLICT DO UPDATE fails to enforce SELECT privileges
1539619 - CVE-2018-1053 postgresql: pg_upgrade creates file of sensitive metadata under prevailing umask
1547044 - CVE-2018-1058 postgresql: Uncontrolled search path element in pg_dump and other client applications
1609891 - CVE-2018-10915 postgresql: Certain host connection parameters defeat client-side security defenses
1612619 - CVE-2018-10925 postgresql: Missing authorization and memory disclosure in INSERT ... ON CONFLICT DO UPDATE statements

6. Package List:

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

Source:
rh-postgresql95-postgresql-9.5.14-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
rh-postgresql95-postgresql-9.5.14-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el6.x86_64.rpm

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

Source:
rh-postgresql95-postgresql-9.5.14-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el6.x86_64.rpm

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

Source:
rh-postgresql95-postgresql-9.5.14-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
rh-postgresql95-postgresql-9.5.14-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
rh-postgresql95-postgresql-9.5.14-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
rh-postgresql95-postgresql-9.5.14-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.el7.x86_64.rpm

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

Source:
rh-postgresql95-postgresql-9.5.14-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.14-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.14-1.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-2017-15098
https://access.redhat.com/security/cve/CVE-2017-15099
https://access.redhat.com/security/cve/CVE-2018-1053
https://access.redhat.com/security/cve/CVE-2018-1058
https://access.redhat.com/security/cve/CVE-2018-10915
https://access.redhat.com/security/cve/CVE-2018-10925
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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