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Alerts This Week
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Red Hat: PostgreSQL Moderate Privilege Escalation RHSA-2017:3402-01 CVE-2017-12172 CVE-2017-15097

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Calendar Grey December 8, 2017
Scroller Redhat
Red Hat has issued a moderate update for PostgreSQL on RHEL 7 addressing critical unauthorized access vulnerabilities that may allow privilege escalation
An update for postgresql is now available for Red Hat Enterprise Linux 7

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.

Summary

PostgreSQL is an advanced object-relational database management system (DBMS).
Security Fix(es):
* Privilege escalation flaws were found in the initialization scripts of PostgreSQL. An attacker with access to the postgres user account could use these flaws to obtain root access on the server machine. (CVE-2017-12172, CVE-2017-15097)
Note: This patch drops the script privileges from root to the postgres user. Therefore, this update works properly only if the postgres user has write access to the postgres' home directory, such as the one in the default configuration (/var/lib/pgsql).
Red Hat would like to thank the PostgreSQL project for reporting CVE-2017-12172. The CVE-2017-15097 issue was discovered by Pedro Barbosa (Red Hat) and the PostgreSQL project. Upstream acknowledges Antoine Scemama (Brainloop) as the original reporter of these issues.

Topics%20covered

Topics Covered

security advisory moderate Red Hat privilege escalation PostgreSQL Linux update

References

https://access.redhat.com/security/cve/CVE-2017-12172 https://access.redhat.com/security/cve/CVE-2017-15097 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: postgresql-9.2.23-3.el7_4.src.rpm
x86_64: postgresql-debuginfo-9.2.23-3.el7_4.i686.rpm postgresql-debuginfo-9.2.23-3.el7_4.x86_64.rpm postgresql-libs-9.2.23-3.el7_4.i686.rpm postgresql-libs-9.2.23-3.el7_4.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: postgresql-9.2.23-3.el7_4.i686.rpm postgresql-9.2.23-3.el7_4.x86_64.rpm postgresql-contrib-9.2.23-3.el7_4.x86_64.rpm postgresql-debuginfo-9.2.23-3.el7_4.i686.rpm postgresql-debuginfo-9.2.23-3.el7_4.x86_64.rpm postgresql-devel-9.2.23-3.el7_4.i686.rpm postgresql-devel-9.2.23-3.el7_4.x86_64.rpm postgresql-docs-9.2.23-3.el7_4.x86_64.rpm postgresql-plperl-9.2.23-3.el7_4.x86_64.rpm postgresql-plpython-9.2.23-3.el7_4.x86_64.rpm postgresql-pltcl-9.2.23-3.el7_4.x86_64.rpm postgresql-server-9.2.23-3.el7_4.x86_64.rpm postgresql-static-9.2.23-3.el7_4.i686.rpm postgresql-static-9.2.23-3.el7_4.x86_64.rpm postgresql-test-9.2.23-3.el7_4.x86_64.rpm postgresql-upgrade-9.2.23-3.el7_4.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: postgresql-9.2.23-3.el7_4.src.rpm
x86_64: postgresql-9.2.23-3.el7_4.x86_64.rpm postgresql-debuginfo-9.2.23-3.el7_4.i686.rpm postgresql-debuginfo-9.2.23-3.el7_4.x86_64.rpm postgresql-libs-9.2.23-3.el7_4.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2017:3402-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3402
Issue date: 2017-12-08

Topic

An update for postgresql is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat privilege escalation PostgreSQL Linux update

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le

Bugs Fixed

1498394 - CVE-2017-12172 postgresql: Start scripts permit database administrator to modify root-owned files

1508985 - CVE-2017-15097 postgresql: Start scripts permit database administrator to modify root-owned files

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