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Gentoo: 201810-08 High Severity: PostgreSQL Escalation Issues

gentoo
Calendar Grey October 30, 2018
Dist Gentoo Esm H88
Uncover various PostgreSQL security flaws detailed in Gentoo advisory GLSA 201810-08 and learn effective strategies for reducing exposure.
Multiple vulnerabilities have been found in PostgreSQL, the worst which could lead to privilege escalation.

Summary

Multiple vulnerabilities have been discovered in PostgreSQL. Please review the referenced CVE identifiers for details. In addition it was discovered that Gentoo's PostgreSQL installation suffered from a privilege escalation vulnerability due to a runscript which called OpenRC's checkpath() on a user controlled path and allowed user running PostgreSQL to kill arbitrary processes via PID file manipulation.

Topics%20covered

Topics Covered

security advisory high severity privilege escalation multiple threats postgresql gentoo advisory

Resolution

All PostgreSQL users up to 9.3 should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.3.24:9.3"
All PostgreSQL 9.4 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.4.19:9.4"
All PostgreSQL 9.5 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.5.14:9.5"
All PostgreSQL 9.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.6.10:9.6"
All PostgreSQL 10 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-10.5:10"

References

[ 1 ] CVE-2018-10915 https://nvd.nist.gov/vuln/detail/CVE-2018-10915 [ 2 ] CVE-2018-10925 https://nvd.nist.gov/vuln/detail/CVE-2018-10925 [ 3 ] CVE-2018-1115 https://nvd.nist.gov/vuln/detail/CVE-2018-1115

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201810-08
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: PostgreSQL: Multiple vulnerabilities
Date: October 30, 2018
Bugs: #603716, #603720, #664332
ID: 201810-08

Topics%20covered

Topics Covered

security advisory high severity privilege escalation multiple threats postgresql gentoo advisory

Synopsis

Multiple vulnerabilities have been found in PostgreSQL, the worst which could lead to privilege escalation.

Background

PostgreSQL is an open source object-relational database management system.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-db/postgresql < 10.5 >= 9.3.24:9.3 >= 9.4.19:9.4 >= 9.5.14:9.5 >= 9.6.10:9.6 >= 10.5:10

Impact

===== A remote attacker could bypass certain client-side connection security features, read arbitrary server memory or alter certain data. In addition, a local attacker could gain privileges or cause a Denial of Service condition by killing arbitrary processes.

Workaround

There is no known workaround at this time.

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