Vigil@nce - PostgreSQL: three vulnerabilities
October 2017 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can use several vulnerabilities of PostgreSQL.
Impacted products: Debian, Fedora, openSUSE Leap, PostgreSQL, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Creation date: 10/08/2017.
DESCRIPTION OF THE VULNERABILITY
Several vulnerabilities were announced in PostgreSQL.
An attacker can bypass security features via Libpq Empty Passwords, in order to escalate his privileges. [severity:2/4; CVE-2017-7546]
An attacker can bypass security features via pg_user_mappings.umoptions, in order to obtain sensitive information. [severity:2/4; CVE-2017-7547]
An attacker can bypass security features via lo_put(), in order to escalate his privileges. [severity:2/4; CVE-2017-7548]
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